Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5514463 | Magnetic recording medium | Kiminori Tamai, Shigeo Kurose | 1996-05-07 |
| 5351902 | 8mm video tape cassette | Kouji Matsuno | 1994-10-04 |
| 5225281 | Magnetic recording medium comprising a magnetic coating containing magnetic powder obtained from a process of coating iron oxide powder with silicon, zirconium and aluminum compounds and reducing | Kiminori Tamai, Shigeo Kurose | 1993-07-06 |
| 4609588 | Magnetic recording medium | Akihiko Hosaka, Kiyosumi Kanazawa | 1986-09-02 |
| 4600650 | Magnetic recording medium | Akihiko Hosaka, Kiyoto Kanazawa | 1986-07-15 |
| 4460651 | Magnetic recording medium | Akihiko Hosaka, Kiyoto Kanazawa | 1984-07-17 |
| 4459319 | Process for producing a magnetic recording medium | Akihiko Hosaka, Kiyoto Kanazawa | 1984-07-10 |
| 4404259 | Magnetic recording medium | Akihiko Hosaka, Yukihiro Isobe | 1983-09-13 |
| 4396659 | Magnetic recording medium | Fujio Shibata | 1983-08-02 |
| 4391864 | Magnetic recording medium | Akihiko Hosaka, Yukihiro Isobe | 1983-07-05 |
| 4389458 | Magnetic recording medium | Akihiko Hosaka | 1983-06-21 |
| 4370384 | Magnetic recording medium | Akihiko Hosaka, Yukihiro Isobe | 1983-01-25 |
| 4367264 | Magnetic recording medium | Akihiko Hosaka, Yukihiro Isobe | 1983-01-04 |
| 4361621 | Magnetic recording medium | Yukihiro Isobe, Akihiko Hosaka, Hideo Kobayashi | 1982-11-30 |
| 4357391 | Magnetic recording medium | Akihiko Hosaka | 1982-11-02 |
| 4336310 | Magnetic recording medium and preparation thereof | Akihiko Hosaka, Yukihiro Isobe | 1982-06-22 |
| 4323628 | Magnetic recording medium | Akihiko Hosaka | 1982-04-06 |
| 4238548 | Magnetic recording medium | Akihiko Hosaka | 1980-12-09 |