Issued Patents All Time
Showing 176–200 of 205 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557380 | Magnetic tape cassette and storage case | Choji Komiyama, Kengo Oishi, Yasumasa Iyota | 1985-12-10 |
| 4549922 | Method of making magnetic disk cartridge | Kengo Oishi | 1985-10-29 |
| 4544976 | Pad provided in the interior of a videotape cassette | Kengo Oishi, Choji Komiyama | 1985-10-01 |
| 4541577 | Method of transferring yarn packages in a spinning frame | Takayuki Morita, Shigeru Muramatsu, Isao Asai | 1985-09-17 |
| 4536812 | Magnetic disk cartridge | Kengo Oishi | 1985-08-20 |
| 4518134 | Magnetic tape cassette | Kengo Oishi | 1985-05-21 |
| 4513929 | Magnetic tape cassette | Kengo Oishi | 1985-04-30 |
| 4500050 | Magnetic tape cassette | Kengo Oishi | 1985-02-19 |
| 4496118 | Magnetic tape cassette | Kengo Oishi | 1985-01-29 |
| 4497009 | Magnetic disk cartridge | Kengo Oishi | 1985-01-29 |
| 4488190 | Magnetic recording disk cartridge | Kengo Oishi | 1984-12-11 |
| 4488191 | Magnetic recording disk cartridge | Kengo Oishi | 1984-12-11 |
| 4473854 | Cassette tape recorder | Kengo Oishi | 1984-09-25 |
| 4437309 | Pneumatic-hydraulic system for hydraulic actuator | Kunio Yamaguchi, Meguru Yamamoto | 1984-03-20 |
| 4428691 | Dot matrix printer head | Keiji Nakamura | 1984-01-31 |
| 4417704 | Magnetic recording tape cassette | Kengo Oishi | 1983-11-29 |
| 4408733 | Magnetic tape cassette | Kengo Ooishi | 1983-10-11 |
| 4389690 | Magnetic tape cassette including a locking mechanism | Kengo Oishi, Choji Komiyama | 1983-06-21 |
| 4389010 | Magnetic tape guide means | Kengo Oishi, Masayoshi Moriwaki, Kouji Kamiyama | 1983-06-21 |
| 4385243 | Automatic reset circuit | — | 1983-05-24 |
| 4365712 | Magnetic tape cassette receiving casing | Kengo Oishi | 1982-12-28 |
| 4338777 | Method and apparatus for starting and stopping an open end spinning machine | Toshio Yoshizawa, Yoshiaki Yoshida, Keiji Onoue, Kazuo Seiki | 1982-07-13 |
| 4338778 | Apparatus for detecting an erroneously inserted empty bobbin in a spinning frame provided with an automatic doffing and donning apparatus | Takayuki Morita, Masashi Ushino, Hideo Hirano | 1982-07-13 |
| 4334403 | Spinning units in an open end spinning machine | Toshio Yoshizawa, Yoshiaki Yoshida | 1982-06-15 |
| 4300729 | Tape clamp for magnetic tape magazine | Kengo Oishi | 1981-11-17 |