Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370928 | Magnetic recording medium | Makoto Funabashi, Naoto Abe | 1994-12-06 |
| 4990361 | Method for producing magnetic recording medium | Tadashi Yasunaga, Akio Yanai | 1991-02-05 |
| 4982302 | Magnetic recording medium and method for magnetic recording and reproduction | Tatsuji Kitamoto, Hotaka Minaguchi, Hiromichi Shibaya | 1991-01-01 |
| 4956229 | Magnetic recording medium | Tadashi Yasunaga, Akio Yanai, Makoto Nagao | 1990-09-11 |
| 4948626 | Method for producing thin-film magnetic recording medium | Tadashi Yasunaga, Akio Yanai | 1990-08-14 |
| 4923748 | Magnetic recording medium | Tadashi Yasunaga, Akio Yanai | 1990-05-08 |
| 4876113 | Method for producing magnetic recording media | Tadashi Yasunaga | 1989-10-24 |
| 4267207 | Process for producing cobalt-containing ferromagnetic iron oxide powder | Tatsuji Kitamoto, Goro Akashi, Kouichi Masaki, Shinichiro Dezawa | 1981-05-12 |
| 4200680 | Process for preparing magnetic iron oxide and magnetic iron oxide produced thereby | Shigeo Komine, Tatsuji Kitamoto, Goro Akashi | 1980-04-29 |