EI

Eiichi Ito

PE Pentax: 9 patents #192 of 761Top 30%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
TK Trw Ehrenreich Gmbh & Co. Kg: 6 patents #1 of 26Top 4%
Brother Kogyo: 6 patents #1,178 of 2,767Top 45%
RC Ricoh Imaging Company: 5 patents #4 of 67Top 6%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Yamaha Motor: 4 patents #461 of 2,310Top 20%
PE Pentax: 3 patents #145 of 396Top 40%
HO Hoya: 2 patents #523 of 1,290Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
KC Kowa Company: 1 patents #310 of 562Top 60%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
Overall (All Time): #49,378 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
6894959 Method and apparatus for exposing optical disk master Shuji Sato, Shinya Abe, Morio Tomiyama, Masahiko Tsukuda 2005-05-17
6628457 Antivibration microscope 2003-09-30
6396627 Stereoscopic microscope including zoom and relay optical systems Satoru Tachihara, Chinari Tanaka, Daisuke Koreeda, Tetsuya Nakamura, Nobutaka Minefuji +1 more 2002-05-28
6384968 Microscope with illuminating optical system Daisuke Koreeda, Satoru Tachihara 2002-05-07
6317260 Stereoscopic microscope 2001-11-13
6288838 Video-type stereoscopic microscope including movable field stop frame and holder 2001-09-11
6210462 Method and apparatus for making metallic iron Shoichi Kikuchi, Akira Uragami, Isao Kobayashi, Yasuhiro Tanigaki, Koji Tokuda +2 more 2001-04-03
6055726 Method of forming a piston Akihiko Okubo 2000-05-02
5838431 Laser marking device Masato Hara, Satoshi Takami, Teruo Sakai, Noriaki Takahashi 1998-11-17
5782217 Piston for two cycle engine Akihiko Okubo 1998-07-21
5697152 Method of manufacturing an impeller Susumu Yamazaki, Hiroshi Asabuki, Masayuki Fujio, Hajime Fujita, Kazuo Kobayashi +9 more 1997-12-16
5671466 Electrophotographic apparatus and sheet guide mechanism Satoshi Hokamura, Kazuhiro Ichinokawa, Takaaki Yano, Masatoshi Takano, Masakazu Hirano +5 more 1997-09-23
5536139 Vortex flow blower having blades each formed by curved surface Susumu Yamazaki, Hiroshi Asabuki, Masayuki Fujio, Hajime Fujita, Kazuo Kobayashi +9 more 1996-07-16
5528352 Electrophotographic apparatus having original separation means Kazuhiro Ichinokawa, Kenichiro Otsuka, Satoshi Hokamura, Takaaki Yano, Masatoshi Takano +5 more 1996-06-18
5452072 Transfer unit mounted on a pivotal upper cover Kazuhiro Ichinokawa, Kenichiro Otsuka, Takaaki Yano, Masatoshi Takano, Satoshi Hokamura +5 more 1995-09-19
5396867 Two-cycle engine Tatsuyuki Masuda 1995-03-14
5395210 Vortex flow blower having blades each formed by curved surface and method of manufacturing the same Susumu Yamazaki, Hiroshi Asabuki, Masayuki Fujio, Hajime Fujita, Kazuo Kobayashi +9 more 1995-03-07
5321479 Electrophotographic apparatus Tatsuya Yoshida, Mikio Horie, Kazuhiro Ichinokawa, Tomoyuki Nishikawa, Takaaki Yano +6 more 1994-06-14
5281083 Vortex flow blower Susumu Yamazaki, Masayuki Fujio, Toshiharu Yoshidomi, Hiroshi Asabuki, Kazuo Kobayashi 1994-01-25
5182639 Real-time analytic pseudocolor encoder system Suganda Jutamulia, Akihiro Fujita, Shinji Toyoda, Atsushi Kojima 1993-01-26
D327316 Vortex blower Toshiharu Yoshidomi, Takeshi Abe, Masayuki Fujio, Kazuo Kobayashi, Kengo Hasegawa +1 more 1992-06-23
4830494 Method and apparatus for measuring particles in a fluid Muneharu Ishikawa, Kouichi Akiyama, Masunori Kawamura, Akihiro Fujita 1989-05-16
4758110 Ball joint 1988-07-19
4750885 Ball joint 1988-06-14
4720205 Ball joint 1988-01-19