Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868336 | Tape guides for tape cassette | Masatoshi Okamura, Hiroshi Yasuda, Yukihiro Tsuchiya | 1999-02-09 |
| 5835839 | Sorter having a controller for setting the conveying means of the sorter and image forming apparatus having the same | — | 1998-11-10 |
| 5730382 | Tapping bosses of magnetic tape cassette | Masatoshi Okamura, Yasunori Ono | 1998-03-24 |
| 5666626 | Apparatus for developing electrostatic latent images using developing roller having specific ionization potential | Yoshio Takizawa, Koji Takagi, Takahiro Kawagoe | 1997-09-09 |
| 5657938 | Video tape cassette with fixing portions remotely positioned from the front lid | Masatoshi Okamura, Haruo Shiba | 1997-08-19 |
| 5659854 | Electrostatic charging member and photoconductor device | Yoshitomo Masuda, Tadashi Nakajima, Taro Miyamoto, Yuko Maeda, Yasushi Inoue +1 more | 1997-08-19 |
| 5602712 | Contact charging method and apparatus | Hideharu Daifuku, Yoshitomo Masuda, Kinya Suzuki, Hiroshi Harashima, Yoshio Takizawa +1 more | 1997-02-11 |
| 5593103 | Reel spring for tape cassette and method for preparing it | Masatoshi Okamura | 1997-01-14 |
| 5540399 | Tape cassette | Masatoshi Okamura | 1996-07-30 |
| 5507444 | Tape cassette with improved spring for locking plate | Masatoshi Okamura | 1996-04-16 |
| 5453895 | Magnetic tape cassette with guide rib blades extending into a fixed hollow tape guide member | Matatoshi Okamura | 1995-09-26 |
| 5434653 | Developing roller and apparatus | Yoshio Takizawa, Koji Takagi, Hiroshi Harashima, Hideyuki Niwa, Taro Miyamoto +2 more | 1995-07-18 |
| 5434736 | Tape cassette with reduced shrinkage mark | Yuji Ishikawa | 1995-07-18 |
| 5417378 | Tape cassette | Kenji Hashizume, Masatoshi Okamura, Motohiko Shima | 1995-05-23 |
| 5385312 | Tape cassette | Masatoshi Okamura, Hisao Katoh | 1995-01-31 |
| 5379960 | Tape cassette casing having an attaching cylindrical portion with at least one rib for retaining a reel spring | Kenji Hashizume | 1995-01-10 |
| 5375024 | Tape cassette | Masatoshi Okamura, Kimitoshi Itoh | 1994-12-20 |
| 5189583 | Magnetic tape cassette having ribs in reel areas | Masatoshi Okamura | 1993-02-23 |
| 5172288 | Magnetic recording medium and a tape guide in a cartridge | Haruo Shiba, Masatoshi Okamura | 1992-12-15 |
| 5074487 | Tape reel for tape cassette | Masatoshi Okamura | 1991-12-24 |
| 5036421 | Disc cartridge having an improved shutter configuration | Masaru Ikebe | 1991-07-30 |
| 4937029 | Method of producing a flexible optical wave guide | Minoru Ishiharada, Toshio Chikaraishi, Seisuke Tomita | 1990-06-26 |
| 4830461 | Pressure-sensitive sensors | Minoru Ishiharada, Toshio Chikaraishi, Seisuke Tomita | 1989-05-16 |
| 4685581 | Air- and dust-proof cover for flush mounting wiring fixture | Mitsuhiro Takagi, Masaaki Nakamura | 1987-08-11 |
| 4668585 | Fe-Cr-Al type implant alloy composite for medical treatment | Eiji Tsuji, Hirobumi Okabe, Hideo Ike, Fumihiro Uratani, Takashi Ota +3 more | 1987-05-26 |