KF

Keiko Fujita

Canon: 28 patents #2,044 of 19,416Top 15%
SO Sony: 2 patents #12,963 of 25,231Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #111,033 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
12386309 Image forming apparatus to prevent air duct bending Kentaro Yamana, Shigeo Doi, Yuya Yokobori, Hiroshi Nojima 2025-08-12
12078956 Image forming apparatus Kentaro Yamana, Shigeo Doi, Yuya Yokobori, Hiroshi Nojima 2024-09-03
12078957 Image forming apparatus including air duct Hiroshi Nojima 2024-09-03
11877101 Image display apparatus 2024-01-16
11720058 Image forming apparatus having air exhaust system for first and second connected housings Hiroshi Nojima 2023-08-08
11669045 Image forming apparatus to reduce emission amounts Takuya Matsumura 2023-06-06
11099471 Image display apparatus 2021-08-24
10538401 Sheet feeding apparatus and image forming apparatus 2020-01-21
10040652 Sheet feeding apparatus, sheet conveyance apparatus, and image forming apparatus 2018-08-07
9994405 Sheet conveying apparatus and image forming apparatus Toshifumi Itabashi 2018-06-12
RE46875 Sheet processing apparatus Daisaku Kamiya, Hideki Kushida, Yasuo Fukatsu, Takako Hanada, Takayuki Fujii +2 more 2018-05-29
9372445 Image forming apparatus Hideki Mori, Hiroshi Saito, Hitoshi Kubota, Tohru Nakaegawa 2016-06-21
9256200 Image forming apparatus Hideki Mori, Hiroshi Saito, Hitoshi Kubota 2016-02-09
9217960 Image forming apparatus Hideki Mori, Hiroshi Saito, Hitoshi Kubota 2015-12-22
8864123 Image forming apparatus Nobuto Kamiyama, Daijiro Kato, Kohei Koshida, Hiroshi Saito, Yuya Ootsuka 2014-10-21
8315536 Image forming apparatus having cover and lock that regulates closure of cover 2012-11-20
8186674 Image forming apparatus 2012-05-29
8135493 Sheet stacking apparatus, sheet processing apparatus and image forming apparatus Takako Hanada, Kenichi Hayashi, Toshiyuki Miyake, Yasuo Fukatsu, Takayuki Fujii 2012-03-13
8047539 Image forming apparatus 2011-11-01
7926800 Sheet processing apparatus and image forming apparatus Atsuteru Oikawa, Kenichi Hayashi, Kenichi Tamura, Takashi Sugiura, Hitoshi Kato +2 more 2011-04-19
7866652 Sheet processing apparatus Daisaku Kamiya, Hideki Kushida, Yasuo Fukatsu, Takako Hanada, Takayuki Fujii +2 more 2011-01-11
7866645 Bookbinding apparatus and image forming apparatus Kiyoshi Watanabe, Hajime Sekiguchi 2011-01-11
7762537 Sheet processing apparatus and method Hitoshi Kato, Wataru Kawata, Youichi Chikugo 2010-07-27
7680560 Sheet stacking apparatus, sheet processing apparatus and image forming apparatus Takako Hanada, Kenichi Hayashi, Toshiyuki Miyake, Yasuo Fukatsu, Takayuki Fujii 2010-03-16
7618033 Sheet processing apparatus and image forming apparatus Hitoshi Kato, Wataru Kawata, Youichi Chikugo 2009-11-17