Issued Patents All Time
Showing 151–157 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901134 | Semiconductor device and manufacturing method thereof | Yutaka Misawa | 1990-02-13 |
| 4786544 | Magnetic recording medium | — | 1988-11-22 |
| 4668587 | Magnetic recording medium | Kenji Sumiya | 1987-05-26 |
| 4536444 | Magnetic recording medium | Kenji Sumiya, Fumio Togawa | 1985-08-20 |
| 4456795 | Behind-the-ear type hearing aid | — | 1984-06-26 |
| 4415385 | Diffusion of impurities into semiconductor using semi-closed inner diffusion vessel | Hideo Homma, Hirokazu Inoue, Naohiro Momma | 1983-11-15 |
| 4275113 | Magnetic recording medium | Jozo Shimizu, Hiroshi Zaitsu | 1981-06-23 |