Issued Patents All Time
Showing 26–50 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851288 | Magnetic recording system | Tadashi Ishikuro, Kouiti Mochizuki | 1989-07-25 |
| 4844991 | Magnetic recording medium and process for the preparation of the same | Toshihiko Miura, Yutaka Kakuishi | 1989-07-04 |
| 4840842 | Abrasive tape | Nobutaka Yamaguchi, Masami Suzuki, Yasuyuki Yamada | 1989-06-20 |
| 4812330 | Process for producing a magnetic recording medium | Tadashi Ishikuro | 1989-03-14 |
| 4789590 | Abrasive tape | Masami Sato, Masami Suzuki, Yasuyuki Yamada | 1988-12-06 |
| 4780365 | Magnetic recording medium | Yutaka Kakuishi, Kenichi Masuyama, Toshimitu Okutu | 1988-10-25 |
| 4767644 | Method of making abrasive tape | Nobutaka Yamaguchi, Masami Suzuki | 1988-08-30 |
| 4766511 | Anti-static surface for magnetic tape cartridge | Takahito Miyoshi | 1988-08-23 |
| 4761243 | Process for the preparation of magnetic paint | Yutaka Kakuishi, Kenichi Masuyama, Toshimitu Okutu | 1988-08-02 |
| 4745017 | Magnetic recording medium | Takahito Miyoshi, Masahiro Utumi, Kenichi Masuyama, Toshimitu Okutu | 1988-05-17 |
| 4745001 | Process for the preparation of magnetic recording medium | Takahito Miyoshi | 1988-05-17 |
| 4743500 | Magnetic recording medium | Takahito Miyoshi | 1988-05-10 |
| 4740419 | Magnetic recording media | Takamitsu Asai, Haruo Masuda | 1988-04-26 |
| 4726992 | Magnetic recording medium | Takamitsu Asai, Takahito Miyoshi, Yasuyuki Yamada | 1988-02-23 |
| 4701364 | Tape for cleaning magnetic head | Takahito Miyoshi, Akira Kasuga | 1987-10-20 |
| 4696859 | Magnetic recording medium | Takahito Miyoshi, Nobuo Aoki, Takashi Yoneyama, Akira Kasuga, Toshimitu Okutu +1 more | 1987-09-29 |
| 4690863 | Magnetic recording media and process for producing same | Takahito Miyoshi, Akihiro Matsufuji, Nobuyuki Yamamoto | 1987-09-01 |
| 4689265 | Magnetic recording medium | Takahito Miyoshi | 1987-08-25 |
| 4687704 | Magnetic recording medium | Takahito Miyoshi, Akihiro Matsufuji, Nobuyuki Yamamoto, Hajime Miyatsuka | 1987-08-18 |
| 4687706 | Magnetic recording medium | Takahito Miyoshi, Toshimitu Okutsu | 1987-08-18 |
| 4687703 | Magnetic recording medium | Takahito Miyoshi | 1987-08-18 |
| 4678697 | Magnetic recording medium | Takahito Miyoshi, Toshimitu Okutu, Kenichi Masuyama, Norio Nasu | 1987-07-07 |
| 4678706 | Magnetic recording medium | Fumihiro Tokunaga, Takamitsu Asai | 1987-07-07 |
| 4670333 | Magnetic recording media | Takahito Miyoshi, Toshimitu Okutu, Masahiro Utumi, Nobuo Aoki | 1987-06-02 |
| 4668568 | Magnetic recording medium | Nobuo Tsuji, Nobutaka Yamaguichi | 1987-05-26 |