Hirohito Ito — 25 Patents at Canon

Hirohito Ito has been granted 25 US patents while listed as an inventor at Canon. The first was granted in 1987 and the most recent in December 2025. Hirohito Ito ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Hirohito Ito in Akishima, JP.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12487270	Discharge detection device	Atsushi Miyamoto, Tomonori Kakehi, Yusuke Aita, Koki Kato, Tomoyasu Sakai +1 more	2025-12-02
8981321	Charged-particle beam exposure apparatus and method of manufacturing article	—	2015-03-17	$32,000
8829461	Scanning apparatus, drawing apparatus, and method of manufacturing article	Yusuke Sugiyama	2014-09-09	$28,000
8625077	Positioning apparatus, exposure apparatus, and device manufacturing method	—	2014-01-07	$38,000
8618516	Charged-particle beam exposure apparatus and method of manufacturing article	—	2013-12-31	$51,000
8562323	Imprint apparatus and method for producing article	Nobushige Korenaga, Makoto Miyazaki	2013-10-22	$59,000
7771065	Optical unit and exposure apparatus having the same	Choshoku Sai, Shigeo Sakino, Katsumi Asada, Shinji Uchida	2010-08-10	$182,000
7738232	Alignment apparatus	—	2010-06-15	$202,000
7710626	Optical element driving apparatus	—	2010-05-04	$280,000
7615915	Spark plug	Takahiro Matsuura	2009-11-10
7530795	Fluid control mechanism	—	2009-05-12	$505,000
7453623	Reflecting mirror and exposure apparatus using the same	Shinji Uchida, Choshoku Sai, Katsumi Asada, Shigeo Sakino	2008-11-18	$296,000
7444817	Optical micromotor, micropump using same and microvalve using same	—	2008-11-04	$328,000
7443619	Optical element holding apparatus, exposure apparatus and device manufacturing method	Shigeo Sakino, Shinji Uchida, Choshoku Sai, Katsumi Asada	2008-10-28	$262,000
7352121	Spark plug	Takahiro Matsuura	2008-04-01
6688932	Method for manufacturing spark plug and caulking metallic mold	Hiroaki Nasu, Wataru Matsutani, Yoshito Uemura, Makoto Sugimoto	2004-02-10
6559579	Alumina-based sintered body insulator for spark plugs	Kenji Nunome, Makoto Sugimoto, Kuniharu Tanaka, Katsura Matsubara, Yoshihiro Yamamoto +1 more	2003-05-06
6359679	Positioning device, exposure device, and device manufacturing method	Kotaro Akutsu	2002-03-19	$262,000
6265816	Spark plug, insulator for spark plug and process for fabricating the insulator	Hiroyuki Tanabe	2001-07-24
6214150	Method of transfer printing a ceramic spark plug insulator	Makoto Sugimoto	2001-04-10
6028376	Positioning apparatus and exposure apparatus using the same	Eiji Osanai, Kotaro Akutsu	2000-02-22	$243,000
6008882	Stage device, method of controlling same, and exposure apparatus using said stage device	Kotaro Akutsu	1999-12-28	$215,000
5976674	Transfer sheet, a method of transferring a figuration therefrom and a ceramic product on which the figuration is printed	Makoto Sugimoto	1999-11-02
5939852	Stage feeding device	Kotaro Akutsu, Eiji Osanai	1999-08-17	$239,000
4658647	Accelerometer	Yasuo Shintani, Kazuhiro Sakuma, Hisashi Yabe	1987-04-21

Hirohito Ito — 25 Patents

Issued Patents All Time

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