IK

Ichiro Kawamura

Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
SK Showa Shell Sekiyu Kabushiki Kaisha: 7 patents #4 of 60Top 7%
SK Showa Shell Sekiyu K.K.: 6 patents #4 of 82Top 5%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
TC Tokyo Seimitsu Co.: 1 patents #110 of 257Top 45%
Overall (All Time): #87,137 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5200940 Optical unit actuator for information recording/reproducing apparatus Shoji Goto, Hiroshi Yamamoto 1993-04-06
5194179 Liquid crystal compounds Yoshiichi Suzuki, Hiroyuki Mogamiya 1993-03-16
5184847 Liquid crystal compounds Yoshiichi Suzuki, Hiroyuki Mogamiya 1993-02-09
5130050 Liquid crystal compound Takashi Hagiwara, Noriko Yamakawa 1992-07-14
5124975 Device for opening and closing a shutter of a disk cartridge Goro Naoki 1992-06-23
5116531 Liquid crystal compound Takashi Hagiwara, Noriko Yamakawa 1992-05-26
5107484 Arrangement of recording/reproducing apparatus Yasuhisa Fukushima 1992-04-21
5046823 Ferroelectric liquid crystal electro-optic apparatus and manufacturing method thereof Kahoru Mori, Yuichiro Yamada, Norio Yamamoto, Masao Tokunaga, Yoshiichi Suzuki +4 more 1991-09-10
4946989 Optically active compound Yoshio Imai 1990-08-07
4807216 Recording disc playback apparatus Yoshitaka Fujioka, Tetsuo Yoshikane, Noboru Okuno 1989-02-21
4802155 Recording disc playback apparatus Yoshitaka Fujioka, Tetsuo Yoshikane, Noboru Okuno 1989-01-31
4623995 Recording disc reproducing device Yoshitaka Fojioka, Makoto Fujita 1986-11-18
4482991 Disk recording and reproducing device Izumi Hino, Makoto Fujita 1984-11-13