Issued Patents All Time
Showing 76–88 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575475 | Magnetic recording medium | Masatoshi Nakayama, Haruyuki Morita, Keiko Tsuchiya | 1986-03-11 |
| 4560617 | Magnetic recording medium | Masaharu Nishimatsu, Kazunori Tamazaki, Shigeru Shimada | 1985-12-24 |
| 4559265 | Magnetic recording medium | Masaharu Nishimatsu, Shigeru Shimada | 1985-12-17 |
| 4547419 | Magnetic recording medium | Masaharu Nishimatsu, Toshiaki Ide, Hiroyuki Arioka | 1985-10-15 |
| 4526837 | Magnetic recording medium | Akira Ohtsuki, Ryozo Konno, Makio Sugai, Masaharu Nishimatsu, Kazushi Tanaka +1 more | 1985-07-02 |
| 4511629 | Magnetic recording medium | Ryozo Konno, Makio Sugai, Masaharu Nishimatsu, Yukihiro Isobe, Kazushi Tanaka +1 more | 1985-04-16 |
| 4451531 | Magnetic recording medium and method | Yukihiro Isobe, Kazushi Tanaka, Masaharu Nishimatsu, Osamu Shinoura | 1984-05-29 |
| 4419406 | Magnetic recording medium and production thereof | Yukihiro Isobe, Kazushi Tanaka, Masaharu Nishimatsu, Osamu Shinoura | 1983-12-06 |
| 4415630 | Process of making magnetic recording medium | Masaharu Nishimatsu, Kazushi Tanaka | 1983-11-15 |
| 4388376 | Magnetic recording medium | — | 1983-06-14 |
| 4321303 | Magnetic powder for magnetic recording medium | Haruyuki Morita, Yasuo Imaoka | 1982-03-23 |
| 4284684 | Magnetic recording medium and method of manufacturing the same | — | 1981-08-18 |
| 4241139 | Magnetic recording medium | Tsunayoshi Saito, Yoshiaki Makino | 1980-12-23 |