KO

Kenji Ohta

Sharp Kabushiki Kaisha: 207 patents #8 of 10,731Top 1%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%
HM Hitachi Maxell: 7 patents #125 of 1,211Top 15%
Nissan Motor Co.: 6 patents #1,257 of 8,689Top 15%
HC Hitachi Automotive Engineering Co.: 4 patents #36 of 314Top 15%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
HC Hitachi Car Engineering Co.: 3 patents #152 of 465Top 35%
OC Olympus Optical Co.: 2 patents #1,178 of 2,334Top 55%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
AT Agency Of Industrial Science And Technology: 2 patents #293 of 1,778Top 20%
JC Jidosha Denki Kogyo Co.: 2 patents #38 of 121Top 35%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
ME Mitsubishi Engineering-Plastics: 1 patents #79 of 163Top 50%
MM Mitsubishi Metal: 1 patents #45 of 150Top 30%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SH Shap: 1 patents #2 of 6Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
DC Dai Nippon Toryo Co.: 1 patents #73 of 196Top 40%
Overall (All Time): #2,007 of 4,157,543Top 1%
249
Patents All Time

Issued Patents All Time

Showing 126–150 of 249 patents

Patent #TitleCo-InventorsDate
5477528 Magneto-optical disk and the reproducing method thereof Yoshiteru Murakami, Junsaku Nakajima, Akira Takahashi, Junichiro Nakayama 1995-12-19
5475658 Magneto-optical recording device for improving C/N ratio Akira Takahashi, Yoshiteru Murakami 1995-12-12
5474049 Engine fuel injection controller Hatsuo Nagaishi, Hiroshi Iwano 1995-12-12
5470694 Optical memory element and manufacturing method thereof Junji Hirokane, Akira Takahashi, Tetsuya Inui, Shohichi Katoh, Toshihisa Deguchi 1995-11-28
5459711 Optical recording element and driving system Tetsuya Inui, Hiroyuki Katayama, Akira Takahashi, Junji Hirokane, Yukinori Nishitani +2 more 1995-10-17
5457006 Method of manufacturing photo-mask and photo-mask manufactured thereby Junji Hirokane, Hiroyuki Katayama, Akira Takahashi, Tetsuya Inui, Junichi Washo +3 more 1995-10-10
5453975 Optical disc with surface coating and manufacturing method therefor Tetsuya Inui, Toshikazu Nagaura 1995-09-26
5453884 Magneto-optical recording medium Junichiro Nakayama, Hiroyuki Katayama 1995-09-26
5452272 Magneto-optical recording and reproducing device having light interrupting forming main robe and side robe light beam portions Yoshiteru Murakami, Junsaku Nakajima, Akira Takahashi 1995-09-19
5438561 Method for recording and reproducing information using an optical memory Kazuo Van, Toshio Ishikawa 1995-08-01
5427833 Magneto-optical recording medium and method for processing the surface Junichiro Nakayama, Yoshiteru Murakami, Hiroyuki Katayama 1995-06-27
5428585 Magneto-optical recording medium comprising first, second and third magnetic layers and method of recording on same Junji Hirokane, Hiroyuki Katayama, Junichiro Nakayama, Akira Takahashi 1995-06-27
5425349 Engine fuel injection controller Hatsuo Nagaishi, Hiroshi Iwano 1995-06-20
5425008 Magneto-optical memory device whereon overwriting operation can be carried out through light intensity modulation and method for recording and erasing using it Hiroyuki Katayama, Junichiro Nakayama 1995-06-13
5422865 Light modulation method for magneto-optical recording device Hiroyuki Katayama, Junji Hirokane, Junichiro Nakayama, Akira Takahashi 1995-06-06
5414652 Magneto-optical memory element Michinobu Mieda, Hiroyuki Katayama, Akira Takahashi 1995-05-09
5412630 Tracking system for optical disc memory using tracking error signals from main beam and auxiliary beams Toshihisa Deguchi, Tetsuya Inui, Shohichi Katoh 1995-05-02
5404862 Engine fuel injection controller Ichiro Itonaga, Hatsuo Nagaishi 1995-04-11
5403683 Photo-mask Junji Hirokane, Akira Shibata, Yoshiyuki Nagahara, Kazuo Van, Michinobu Mieda +1 more 1995-04-04
5402408 Magneto-optical recording method of overwriting without requiring an initialization magnet Junji Hirokane, Hiroyuki Katayama, Junichiro Nakayama, Michinobu Mieda 1995-03-28
5399461 Optical disk for use in optical memory devices Kazuo Van, Tetsuya Inui, Toshikazu Nagaura, Hirotoshi Takemori, Hirotaka Toki 1995-03-21
5398011 Microrelay and a method for producing the same Kasuhiro Kimura, Susumu Hirata, Yorishige Ishii, Tetsuya Inui 1995-03-14
5386400 Magneto-optical head device having a lubricated member Junichiro Nakayama, Tomoyuki Miyake, Hiroyuki Katayama 1995-01-31
5383176 Optical disk Tetsuya Inui, Akira Takahashi 1995-01-17
5353278 Magneto-optical disk and method of manufacturing the same Yoshiteru Murakami, Junichiro Nakayama, Hiroyuki Katayama, Akira Takahashi, Hirotaka Toki 1994-10-04