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Masahiko Umezawa patents

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

Masahiko Umezawa - Related organizations: Canon Kabushiki Kaisha patents

Printing apparatus and method for correcting print position displacement

04/24/14 - 20140111815 - A printing apparatus which uses a plurality of print element arrays in each of which a plurality of print elements are arranged, and drives a predetermined number of print elements of each of blocks obtained by dividing each of the plurality of the print element arrays into pieces of the
Inventors: Minoru Teshigawara, Yoshiaki Murayama, Masahiko Umezawa, Shinsuke Ikegami

Ink jet printing apparatus and control method thereof

12/12/13 - 20130328957 - The ink jet printing apparatus, wherein, to print images on a printing medium, a plurality of print heads, each of which includes an ejection port array provided by arranging multiple ink ejection ports in a widthwise direction of the printing medium, are arranged in a conveying direction of the printing
Inventors: Minoru Teshigawara, Yoshiaki Murayama, Masahiko Umezawa, Shinsuke Ikegami, Kiichiro Takahashi, Takuya Fukasawa

Recording apparatus

09/13/12 - 20120229544 - A recording apparatus includes: a recording head having a recording element row in which multiple recording elements are disposed, with recording elements at dispersed positions in the recording element rows as blocks; a scanning unit configured to scan the recording head in a main scanning direction; a time-division driving unit
Inventors: Minoru Teshigawara, Kiichiro Takahashi, Tetsuya Edamura, Akiko Maru, Yoshiaki Murayama, Takatoshi Nakano, Masahiko Umezawa, Shinsuke Ikegami

Printing apparatus and determination method thereof

08/02/12 - 20120194587 - A printing apparatus, comprising a plurality of printing element substrates provided with printing elements that discharge ink using thermal energy, a plurality of temperature sensors, each of the plurality of temperature sensors is provided on each of the printing element substrates, and that measure a temperature of the printing element
Inventors: Minoru Teshigawara, Atsushi Sakamoto, Takeshi Murase, Yoshiyuki Honda, Shinichi Omo, Masahiko Umezawa

Inkjet printing apparatus and inkjet printing method

12/17/09 - 20090309907 - This invention reduces an unprinted stripe occurred by edge deviation of a printhead. An inkjet printing apparatus according to this invention can execute a first printing mode in which an image is printed by scanning the printhead in a first region on the printing medium N times and scanning the
Inventors: Hidehiko Kanda, Jiro Moriyama, Atsuhiko Masuyama, Masahiko Umezawa, Hideaki Takamiya

### Masahiko Umezawa patent invention listings

The bibliographic references displayed about Masahiko Umezawa's patents are for a recent sample of Masahiko Umezawa'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 Masahiko Umezawa 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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