Keisuke Samejima — 12 Patents at Canon

Keisuke Samejima has been granted 12 US patents while listed as an inventor at Canon. The first was granted in 2012 and the most recent in October 2022. Keisuke Samejima ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Keisuke Samejima in Soma, JP.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11474458	Image forming apparatus that determines whether or not plurality of rotating bodies are in state of contact	Ryo Matsumura, Keizo Kojima, Taro Minobe	2022-10-18	$38,000
10459361	Image forming apparatus with voltage adjustment member	Seiji Saito, Keisuke Ishizumi, Toshihiko Takayama, Masaru Ohno, Shingo Ito +3 more	2019-10-29	$24,000
9989903	Fixing apparatus for fixing a toner image on a recording material at a nip portion	Takanori Mitani, Akimichi Suzuki, Satoshi Nishida, Isamu Takeda, Kazuhiro Doda +1 more	2018-06-05	$30,000
9709935	Fixing apparatus	Takanori Mitani, Akimichi Suzuki, Satoshi Nishida, Isamu Takeda, Kazuhiro Doda +1 more	2017-07-18	$42,000
9621061	Power supply apparatus and image forming apparatus	Minoru Hayasaki	2017-04-11	$26,000
8976545	Current resonance power supply for detecting overcurrent based on an output from a current compensation unit	Takayuki Fukutani	2015-03-10	$37,000
8977157	Switching power supply	Takashi Odate	2015-03-10	$37,000
8891997	Power supply system for stopping and starting operation in accordance with input voltage and image forming apparatus including the same	Keizo Kojima	2014-11-18	$35,000
8634214	Current resonance power supply with AC input detection into the primary winding	—	2014-01-21	$71,000
8503197	Power supply apparatus and image forming apparatus	Minoru Hayasaki	2013-08-06	$66,000
8284578	Power supply apparatus	—	2012-10-09	$124,000
8242873	Transformer, switching power supply device, and DC-DC converter device	Minoru Hayasaki	2012-08-14	$87,000

Keisuke Samejima — 12 Patents

Issued Patents All Time

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