KF

Kei Fujita

Canon: 16 patents #4,160 of 19,416Top 25%
ME Mitsubishi Jidosha Engineering: 1 patents #75 of 277Top 30%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
📍 Kokubunji, JP: #111 of 714 inventorsTop 20%
Overall (All Time): #258,912 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
8079435 Electric vehicle Seiichi Takasaki, Haruchika Nishino 2011-12-20
7056798 Semiconductor device, method for manufacturing the same, and liquid jet apparatus Mineo Shimotsusa, Yukihiro Hayakawa 2006-06-06
6962405 Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head Yoshiyuki Imanaka, Hiraku Kozuka, Mineo Shimotsusa, Yukihiro Hayakawa, Takuya Hatsui +5 more 2005-11-08
6867457 Semiconductor device and liquid jetting device using the same Yukihiro Hayakawa, Mineo Shimotsusa 2005-03-15
6825543 Semiconductor device, method for manufacturing the same, and liquid jet apparatus Mineo Shimotsusa, Yukihiro Hayakawa 2004-11-30
6467884 Substrate unit for liquid discharging head, method for producing the same, liquid discharging head, cartridge, and image forming apparatus Fumio Murooka, Yukihiro Hayakawa, Makoto Terui 2002-10-22
6143190 Method of producing a through-hole, silicon substrate having a through-hole, device using such a substrate, method of producing an ink-jet print head, and ink-jet print head Takayuki Yagi, Junichi Kobayashi, Yasushi Kawasumi, Genzo Momma, Kenji Makino +3 more 2000-11-07
5963812 Manufacturing method of a semiconductor apparatus having an electron donative surface in a side wall portion Yuzo Kataoka, Tetsuo Asaba, Kenji Makino, Hiroshi Yuzurihara, Seiji Kamei +4 more 1999-10-05
5666142 Ink jet recording system having improved functional devices for driving energy generating members Asao Saito, Shigeyuki Matsumoto 1997-09-09
5663097 Method of fabricating a semiconductor device having an insulating side wall Masaru Sakamoto 1997-09-02
5580808 Method of manufacturing a ROM device having contact holes treated with hydrogen atoms and energy beam Yuzo Kataoka, Tetsuo Asaba, Kenji Makino, Hiroshi Yuzurihara, Seiji Kamei +4 more 1996-12-03
5569614 Method of forming metal pattern including a schottky diode Yuzo Kataoka, Tetsuo Asaba, Kenji Makino, Hiroshi Yuzurihara, Seiji Kamei +4 more 1996-10-29
5567630 Method of forming an ink jet recording device, and head using same Shigeyuki Matsumoto, Asao Saito, Yashiro Naruse 1996-10-22
5527730 Method of forming a capacitor having contact hole treated with hydrogen atoms and energy beam Yuzo Kayaoka, Tetsuo Asaba, Kenji Makino, Hiroshi Yuzurihara, Seiji Kamei +4 more 1996-06-18
5517224 Semiconductor device for driving heat generator Shunichi Kaizu, Hiroyuki Nakamura, Toshihiko Ichise, Seiji Kamei 1996-05-14
5376231 Substrate for recording head, recording head and method for producing same Shigeyuki Matsumoto, Yasuhiro Naruse, Genzo Monma, Seiji Kamei, Yutaka Akino +2 more 1994-12-27
5264874 Ink jet recording system Shigeyuki Matsumoto, Asao Saito, Yasuhiro Naruse 1993-11-23
5216447 Recording head Hiroshi Nakano, Toshihiko Ichise 1993-06-01