KO

Koichi Oka

OC Otsuka Electronics Co.: 9 patents #3 of 80Top 4%
Honda Motor Co.: 6 patents #3,726 of 21,052Top 20%
SC Sumitomo Metal Mining Co.: 3 patents #199 of 736Top 30%
KS Komatsu Shisakusho: 2 patents #235 of 885Top 30%
SH Showa: 1 patents #167 of 337Top 50%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
Overall (All Time): #196,837 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9413206 Cogeneration apparatus Toshiaki Tohoda, Koichi Tsuno 2016-08-09
8893472 Cogeneration apparatus Daiki Kamiyama, Kosuke Yamana, Nobuyuki Sasaki, Hideyuki Ushiyama 2014-11-25
8794169 Power steering apparatus for small vessel Yoshihiro Harada, Masanobu Miyazaki, Shinsuke Sekikawa, Yoshimitsu Komuro 2014-08-05
8552574 Cogeneration apparatus Nobuyuki Sasaki, Katsutoshi Matsushita, Nobuyuki Yuri 2013-10-08
8393925 Steering device for outboard engine Yoshihiro Harada, Yoshihiro Takahashi 2013-03-12
8388392 Steering device for outboard engine Yoshihiro Harada 2013-03-05
7847819 Measurement system for evaluating moving image quality of displays 2010-12-07
7483550 Method and system for evaluating moving image quality of displays Yoshi Enami 2009-01-27
7394483 Display evaluation method and apparatus 2008-07-01
7251035 Optical cell measurement apparatus Satoshi Nitta 2007-07-31
7176464 Method of and apparatus for determining the amount of impurity in gas Satoshi Nitta 2007-02-13
6636308 Apparatus for measuring characteristics of optical angle Kazunori Tsutsui, Masayoshi Funato, Akira Kawaguchi, Tetsuo Hamada, Michio Tsujio 2003-10-21
5564519 Four-wheel traveling system for tipper Masaya Katoh, Nobuki Hasegawa, Hiroyuki Ando, Satoshi Ogawa 1996-10-15
5337474 Process for fabricating electronic devices and image sensor Hirokazu Ichikawa 1994-08-16
5183045 NMR measuring method and measuring apparatus for tissue of a living body Susumu Takamura, Takashi Nakamura, Makoto Okawauchi, Harumi Toda, Ichiro Kanki +3 more 1993-02-02
5157454 Differential refractometer Akira Kawaguchi, Kunio Kumagai, Yasuhiro Kubo 1992-10-20
5113083 Light scattering measuring apparatus utilizing a photodetector mounted on a rotary stand William Otani, Yasuhiro Kubo, Yasushi Zasu, Motonobu Akagi 1992-05-12
5015094 Particle size measuring system Akira Kawaguchi, Kunio Kumagai, Katsuhiro Morisawa 1991-05-14
4865660 Rare-earth element/cobalt type magnet powder for resin magnets Tatsuo Nate, Takehiko Satoh 1989-09-12
4689073 Method for production of rare-earth element/cobalt type magnetic powder for resin magnet Tatsuo Nate, Takehiko Sato 1987-08-25
4664723 Samarium-cobalt type magnet powder for resin magnet Junichi Ishii 1987-05-12
4553734 Finger pressure actuable dump control system for dump vehicles Fumio Shintani 1985-11-19