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Masanori Muratsubaki patents

Recent patents with Masanori Muratsubaki listed as an inventor - additional entries may be under other spellings.


Masanori Muratsubaki - Related organizations: Canon Kabushiki Kaisha patents

Novel organic compound, organic light-emitting device, and image display system

10/30/14 - 20140319495 - An organic compound has a dibenzo[8,9:10,11]tetrapheno[5,6-b]carbazole skeleton as a basic skeleton. An organic light-emitting device includes an anode, a cathode, and an organic compound layer including the organic compound. A display apparatus includes a plurality of pixels, and each of the pixels includes the organic light-emitting device and a transistor.
Inventors: Masumi Itabashi, Hirokazu Miyashita, Ryuji Ishii, Masanori Muratsubaki, Jun Kamatani

Novel organic compound, organic light-emitting element, and image display unit

10/30/14 - 20140319494 - An organic compound contains 8H-naphth[2,1-b]carbazole as the basic skeleton thereof. An organic light-emitting element includes an organic compound layer containing the organic compound. A display device and an image display unit each include the organic light-emitting element. The organic light-emitting element is also used in a lighting device and an
Inventors: Hirokazu Miyashita, Ryuji Ishii, Masanori Muratsubaki, Masumi Itabashi, Jun Kamatani

Aminoindolo[3,2,1-jk]carbazole compound and organic light-emitting device including the same

06/19/14 - 20140167028 - Provided is the aminoindolo[3,2,1-jk]carbazole compound represented by Formula [1] according to Claim 1. In Formula [1], l represents an integer of 1 to 3; n and m each independently represent an integer of 0 to 2; and R1 to R32 represent hydrogen atom, alkyl groups having 1 to 8 carbon
Inventors: Takeshi Sekiguchi, Hiroki Ohrui, Masanori Muratsubaki

Novel organic compound and organic light-emitting device including same

05/23/13 - 20130126857 - wherein in general formula (1), R1 to R16 are each independently selected from a hydrogen atom, a halogen atom, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted amino groups, substituted or unsubstituted aryl groups, and substituted or unsubstituted heterocyclic groups, and at least one of
Inventors: Tomonari Horikiri, Jun Kamatani, Masanori Muratsubaki

6,12-dinaphthylchrysene derivative and organic light-emitting device using the derivative

12/13/12 - 20120313083 - in the formula (5), R1 represents a hydrogen atom or a methyl group.
Inventors: Hironobu Iwawaki, Hiroki Ohrui, Yuko Chishina, Masanori Muratsubaki, Tetsuo Takahashi

Fused polycyclic compound and organic light-emitting device using the compound

12/06/12 - 20120306727 - Provided are a fused polycyclic compound suitable for use mainly as a component for a blue-light-emitting device, and an organic light-emitting device using the compound. The fused polycyclic compound is represented by the general formulae (1), (2), (8) and (9).
Inventors: Hiroki Ohrui, Hironobu Iwawaki, Kei Tagami, Masanori Muratsubaki, Ryuji Ishii

Azafluorene derivative and organic light-emitting device using the derivative

03/01/12 - 20120049176 - A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes.
Inventors: Tetsuya Kosuge, Akihiro Senoo, Hiroki Ohrui, Masanori Muratsubaki

Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the same

06/23/11 - 20110147731 - wherein R1 to R16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group,
Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki

Novel condensed ring aromatic compound and organic light-emitting device having the same

06/16/11 - 20110140595 - In the formula, X1 to X16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted
Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki

Organic light-emitting device

12/30/10 - 20100327274 - (b) a second organic compound represented by the following general formula [3] or general formula [4]:
Inventors: Maki Okajima, Akihito Saitoh, Masumi Itabashi, Masanori Muratsubaki, Naoki Yamada, Hiroki Ohrui, Chika Negishi, Tetsuya Kosuge, Takayuki Horiuchi, Takeshi Sekiguchi, Hiroyuki Tomono

Indenochrysene derivative and organic light-emitting device using same

05/27/10 - 20100127618 - There is provided an organic light-emitting device having an optical output with a high efficiency, a high luminance, and a long life. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which either one of
Inventors: Hiroki Ohrui, Akihito Saitoh, Chika Negishi, Hironobu Iwawaki, Masanori Muratsubaki, Shinjiro Okada

Novel azaindenochrysene derivative and organic light-emitting device

05/13/10 - 20100117526 - The invention provides an azaindenochrysene derivative, and an organic light-emitting device outputting light having high luminance and a long lifetime with high efficiency having an organic compound layer that includes the azaindenochrysene derivative.
Inventors: Hiroki Ohrui, Masanori Muratsubaki, Takeshi Sekiguchi, Akihito Saitoh

Organic electroluminescence element, image display device, and imaging apparatus

03/11/10 - 20100059739 - An organic electroluminescence element includes organic compound layers disposed between electrodes, the concentration of halogen atoms contained in organic compounds of the organic compound layers being 1 ppm or less according to combustion ion chromatography.
Inventors: Hironobu Iwawaki, Mizuho Hiraoka, Hiroki Ohrui, Masumi Itabashi, Masanori Muratsubaki, Naoki Yamada, Kei Tagami

Condensed ring aromatic compound for organic light-emitting device and organic light-emitting device having the same

02/04/10 - 20100026171 - wherein R1 to R16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group,
Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki

Organic light emitting device

12/10/09 - 20090302758 - To provide an organic light emitting device having high efficiency and high luminance by making a contrivance to suppress the leakage of an electron or of an exciton, an organic light emitting device of the present invention includes two hole transporting layers having tertiary amine compounds different from each other
Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu

Organic luminescent device and benzo[k]fluoranthene compound

11/12/09 - 20090278447 - wherein R1 is a group selected from the group consisting of alkyl, aralkyl and a heterocyclic group which may be substituted, and R1 's may be the same or different; R10 to R20 are each independently a group selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, phenyl, a
Inventors: Akihito Saitoh, Masanori Muratsubaki, Satoshi Igawa, Hiroki Ohrui, Chika Negishi, Masashi Hashimoto, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada

Benzofluoranthene compound and organic light-emitting device using the compound

11/12/09 - 20090278118 - In the general formula (1), one of X1, X2, X3, X4, X5, and X6 represents a substituted or unsubstituted fused heterocyclic group having four or less rings, and the others of X1, X2, X3, X4, X5, and X6 each represent a hydrogen atom.
Inventors: Hiroki Ohrui, Akihito Saitoh, Chika Negishi, Hironobu Iwawaki, Masanori Muratsubaki, Hiroyuki Tomono, Tetsuya Kosuge, Akihiro Senoo

Novel condensed ring aromatic compound and organic light-emitting device having the same

07/23/09 - 20090184630 - In the formula, X1 to X16 each independently represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted
Inventors: Chika Negishi, Akihito Saitoh, Hiroki Ohrui, Hironobu Iwawaki, Masanori Muratsubaki

Fused heterocyclic compound and organic light emitting device

05/14/09 - 20090121625 - To provide a material for an organic light emitting device showing a light emission hue with an extremely good purity and outputting light having high luminance and a long lifetime with high efficiency, the present invention relates to a fused heterocyclic compound having at least one partial structure represented by
Inventors: Hiroki Ohrui, Shinjiro Okada, Akihiro Senoo, Naoki Yamada, Masanori Muratsubaki

Dibenzoanthracene compound and organic light emitting device having the same

03/26/09 - 20090079344 - Provided is a novel dibenzo[a,c]anthracene compound having substituents, which can be used in an organic light emitting device.
Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu

Compound and organic light emitting device

02/05/09 - 20090033210 - To provide a novel fluoranthene derivative and an organic light emitting device having the fluoranthene derivative.
Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu


### Masanori Muratsubaki patent invention listings

The bibliographic references displayed about Masanori Muratsubaki's patents are for a recent sample of Masanori Muratsubaki's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Masanori Muratsubaki filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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