Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5397597 | Optical recording medium and method of manufacturing the same | Mamoru Soga, Norihisa Mino, Kazufumi Ogawa | 1995-03-14 |
| 5392411 | Dual-array register file with overlapping window registers | — | 1995-02-21 |
| 5338579 | Method of manufacturing a chemically adsorbed film | Kazufumi Ogawa, Mamoru Soga, Shigeo Ikuta | 1994-08-16 |
| 5268211 | Optical recording medium | Mamoru Soga, Norihisa Mino, Kazufumi Ogawa | 1993-12-07 |
| 5243483 | Rotary drum device | Hiroaki Ono, Tomomi Okamoto, Seiji Ono | 1993-09-07 |
| 5220472 | Rotary drum for video tape recorder | Tomomi Okamoto, Hiroaki Ono, Kazuo Sakai | 1993-06-15 |
| 5130875 | Multichannel magnetic head having a plurality of head chips fixed on a common head base | Hiroaki Ono, Tomomi Okamoto, Tsukasa Ohata | 1992-07-14 |
| 5070424 | Rotary drum assembly for a video tape recorder | Hiroaki Ono, Shinji Okada | 1991-12-03 |
| 5057944 | Multiplex rotating magnetic head system for multiply recording and erasing audio and video signals | Juichi Morikawa, Hideo Zama, Mashanori Kochi, Makoto Ibe | 1991-10-15 |
| 5047882 | Rotary head cylinder for video tape recorder | Hiroyoshi Kawai, Tsutomu Masumoto, Yoshio Manabe, Tsunenori Iwama | 1991-09-10 |
| 4992891 | Dual record/read head video recording and playback apparatus with fade-in function | Keiichi Komatsu, Shigeyuki Itoh, Hikaru Masui, Yoshizumi Watatani | 1991-02-12 |
| 4959743 | Jitter reducing tapered rotary drum for magnetic head apparatus | Mashanori Kochi, Juichi Morikawa, Makoto Ibe, Hitoshi Takizawa | 1990-09-25 |
| 4901297 | Optical magnetic recording and reproducing method and apparatus capable of prolonging a recording time | Keiichi Komatsu, Hikaru Masui, Ken-ichi Kubo | 1990-02-13 |
| 4740847 | Magnetic recording/reproducing apparatus | Katsuyuki Watanabe, Yoshizumi Watatani | 1988-04-26 |
| 4403260 | Automatic tape stop device for video signal recording and reproducing apparatus | Kotaro Kawamura | 1983-09-06 |