Issued Patents All Time
Showing 51–75 of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5751518 | Head feeding mechanism in magnetic recording and reproducing device | Makoto Konno, Takashi Watanabe, Hisateru Komatsu | 1998-05-12 |
| 5699203 | Digital transmission signal processing system and recording reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani | 1997-12-16 |
| 5673154 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani | 1997-09-30 |
| 5671095 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani | 1997-09-23 |
| 5648883 | Disc drive having positional shift adjustment | Hiroshi Sampei, Kouichi Hosoya, Kenji Katoh, Masashi Sato, Mitsutoshi Ohizumi +4 more | 1997-07-15 |
| 5530598 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani | 1996-06-25 |
| 5520523 | Diaphragm-type pump | Hiroshi Yorita, Kou Ohtsuka, Kazuhide Watanabe | 1996-05-28 |
| 5517368 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani | 1996-05-14 |
| 5421918 | Silver- or silver-copper alloy-metal oxide composite material | — | 1995-06-06 |
| 5403683 | Photo-mask | Kenji Ohta, Junji Hirokane, Yoshiyuki Nagahara, Kazuo Van, Michinobu Mieda +1 more | 1995-04-04 |
| 5358585 | Process of producing silver-or silver-copper alloy-metal oxide composite material | — | 1994-10-25 |
| 5337199 | Digital transmission signal processing system and recording/reproducing system | Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani | 1994-08-09 |
| 5286441 | Silver-metal oxide composite material and process for producing the same | — | 1994-02-15 |
| 5260150 | Photo-mask with light shielding film buried in substrate | Kenji Ohta, Junji Hirokane, Yoshiyuki Nagahara, Kazuo Van, Michinobu Mieda +1 more | 1993-11-09 |
| 5236523 | Silver- or silver-copper alloy-metal oxide composite material | — | 1993-08-17 |
| 5160366 | Silver-metal oxide composite material and process for producing the same | — | 1992-11-03 |
| 5128922 | Optical disk with glass substrate and method of producing same | Tetsuya Inui, Junji Hirokane, Yoshiyuki Nagahara, Kenji Ohta | 1992-07-07 |
| 5112727 | Method of and photomask for manufacturing optical memory element | Tetsuya Inui, Junji Hirokane, Yoshiyuki Nagahara, Kenji Ohta | 1992-05-12 |
| 5079113 | Photo-mask | Kenji Ohta, Junji Hirokane, Yoshiyuki Nagahara, Kazuo Van, Michinobu Mieda +1 more | 1992-01-07 |
| 4967228 | Method of photographing on microfilm and apparatus therefor | Kenjiro Ishii, Fumio Fukumoto, Koichi Nagata | 1990-10-30 |
| 4946730 | Method of and photomask for manufacturing optical memory element | Tetsuya Inui, Junji Hirokane, Yoshiyuki Nagahara, Kenji Ohta | 1990-08-07 |
| 4918485 | Roll film camera | Kenjiro Ishii, Fumio Fukumoto, Koichi Nagata | 1990-04-17 |
| 4915592 | Inner-cam type distribution fuel injection pump | Osamu Hishinuma, Fumiaki Tanaka, Nobuo Kato, Yutaka Inoue, Yukinori Miyata | 1990-04-10 |
| 4819097 | Audio signal recording/reproducing system for use in time-lapse video tape recorder | Nobuo Azuma, Masaru Takahashi, Katsumi Mikamo | 1989-04-04 |
| 4803322 | Electrical contacts for electric breakers | — | 1989-02-07 |