Oki Kitagawa — 21 Patents at Canon

Oki Kitagawa has been granted 21 US patents while listed as an inventor at Canon. The first was granted in 2012 and the most recent in June 2023. Oki Kitagawa ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Oki Kitagawa in Nagareyama, JP.

Patents per Year

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11669028	Image forming apparatus having control unit that controls drive unit and conveyance portion	Masanobu Tanaka, Koichi Kakubari, Hiroto Ito	2023-06-06
10725403	Image forming apparatus	Masayuki Tamaki, Hiroto Ito	2020-07-28	$19,000
10409203	Image forming apparatus that executes a cleaning mode in which positional relationships of a first sheet and a second sheet, fed through a fixing nip during a cleaning mode, relative to a rotatable heating member differ from each other	Masanobu Tanaka, Akiyoshi Shinagawa	2019-09-10	$22,000
10386758	Image forming apparatus	Keita Ishiguro, Masanobu Tanaka, Suguru Takeuchi, Asuna Fukamachi, Yasuharu Toratani	2019-08-20	$20,000
10241455	Fixing device having a pressing mechanism that presses first and second rotatable members together	Asuna Fukamachi, Masanobu Tanaka, Suguru Takeuchi, Yasuharu Toratani, Keita Ishiguro	2019-03-26	$24,000
10031455	Image forming apparatus	Masanobu Tanaka, Akiyoshi Shinagawa	2018-07-24	$28,000
10021261	Image forming apparatus	Masanobu Tanaka, Yasuharu Chiyoda, Asuna Fukamachi	2018-07-10	$29,000
9952544	Image forming apparatus and control device therefor	Masanobu Tanaka, Yasuharu Chiyoda, Asuna Fukamachi	2018-04-24	$37,000
9494903	Image forming apparatus with cleaning mode	Akiyoshi Shinagawa, Masanobu Tanaka	2016-11-15	$60,000
9459566	Image forming apparatus controlling the operation speed of each of an image forming portion and a fixing portion thereof when an image formation process is continuously performed for a plurality of sheets	Akiyoshi Shinagawa, Masanobu Tanaka	2016-10-04	$50,000
9392642	Image heating apparatus	Masanobu Tanaka, Shigeaki Takada, Akiyoshi Shinagawa, Hiroki Kawai	2016-07-12	$28,000
9372450	Image forming apparatus	Akiyoshi Shinagawa, Masanobu Tanaka	2016-06-21	$40,000
9329557	Image forming apparatus	Shigeaki Takada, Akiyoshi Shinagawa, Masanobu Tanaka, Hiroki Kawai	2016-05-03	$36,000
9025999	Fixing apparatus	—	2015-05-05	$31,000
8989640	Image forming apparatus	Shigeaki Takada, Akiyoshi Shinagawa, Masanobu Tanaka, Hiroki Kawai	2015-03-24	$35,000
8929762	Image heating apparatus with an air feeding device configured to feed air to a belt cooperating with a heating rotatable member to form a nip for heating an image on recording material	Akiyoshi Shinagawa, Shigeaki Takada, Hiroki Kawai	2015-01-06	$31,000
8918003	Fixing device	Hiroki Kawai, Shigeaki Takada, Akiyoshi Shinagawa	2014-12-23	$64,000
8917999	Image heating apparatus executing a rubbing operation of a rotatable rubbing member on a rotatable heating member	Shigeaki Takada, Akiyoshi Shinagawa, Hiroki Kawai	2014-12-23	$64,000
8554099	Image heating apparatus for cooling the surfaces of an image heating device and a pressing device pressing against the heating device to form a nip	—	2013-10-08	$44,000
8391730	Image forming apparatus	—	2013-03-05	$59,000
8208833	Image forming apparatus	—	2012-06-26	$97,000

Oki Kitagawa — 21 Patents

Patents per Year

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