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Rieko Sakamoto patents

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

Rieko Sakamoto - Related organizations: Canon Kabushiki Kaisha patents

Electrophotographic intermediate transfer member and electrophotographic apparatus

11/12/15 - 20150323888 - The present invention relates to an electrophotographic intermediate transfer member that, even if an image is repeatedly and continuously transferred, can retain its transfer performance and can obtain an excellent image for a long time. The electrophotographic intermediate transfer member has a base layer and a surface layer, the surface
Inventors: Rieko Sakamoto, Koichi Sato, Kenji Onuma, Kimihiro Yoshimura, Naoto Kameyama, Yasushi Shimizu, Akira Watanabe

Member for electrophotography, process cartridge, and electrophotographic apparatus

12/25/14 - 20140377695 - C: the total sum of the contents of CF3 moieties, CF2 moieties, and CF moieties in the binder resin is 5% by mass or less.
Inventors: Naoto Kameyama, Kenji Onuma, Rieko Sakamoto, Yasushi Shimizu, Koichi Sato, Kimihiro Yoshimura, Akira Watanabe, Maho Tanaka, Shigeki Takishita, Hiroshi Tominaga, Keiji Karube, Takenori Sueoka

Intermediate transfer member for electrophotography and electrophotographic apparatus

12/25/14 - 20140377564 - An intermediate transfer member for electrophotography comprising a substrate and a surface layer provided on the substrate. The surface layer comprises a binder resin and a perfluoropolyether. An extraction amount of the perfluoropolyether per 10 mm3 of the surface layer, is 0.10 mg or more and 5.00 mg or less,
Inventors: Rieko Sakamoto, Kenji Onuma, Naoto Kameyama, Kimihiro Yoshimura, Akira Watanabe, Koichi Sato

Electrophotographic member, intermediate transfer member, image forming apparatus, and method for manufacturing electrophotographic member

06/13/13 - 20130149540 - An object of the present invention is to provide: an electrophotographic member which enhances image quality, prevents the lowering of a grade of an image even when images have been repeatedly output, and can remarkably enhance the stability of the grade of the image; an intermediate transfer member; and an
Inventors: Koichi Sato, Naoto Kameyama, Kenji Onuma, Koichi Nakamura, Tadanobu Yoshikawa, Hiroshi Tominaga, Akira Watanabe, Yasushi Shimizu, Rieko Sakamoto

### Rieko Sakamoto patent invention listings

The bibliographic references displayed about Rieko Sakamoto's patents are for a recent sample of Rieko Sakamoto's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the 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 website. If Rieko Sakamoto 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 website.


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