Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367411 | Plasma CVD apparatus | Yoichi Ogawa, Tetsuo Mizumura, Akira Yano, Hideo Kusada, Takashi Kubota +1 more | 2002-04-09 |
| 6312524 | Plasma CVD apparatus | Yoichi Ogawa, Tetsuo Mizumura, Akira Yano, Hideo Kusada, Takashi Kubota +1 more | 2001-11-06 |
| 6044792 | Plasma CVD apparatus | Yoichi Ogawa, Tetsuo Mizumura, Akira Yano, Hideo Kusada, Takashi Kubota +1 more | 2000-04-04 |
| 5496620 | Magnetic recording medium | Osamu Kitakami, Kazuetsu Yoshida | 1996-03-05 |
| 5073449 | Magnetic recording medium and method for producing the same | Hideaki Niimi, Noboru Isoe, Tetsuo Mizumura | 1991-12-17 |
| 5068144 | Perpendicular magnetic recording medium and method for producing the same | Osamu Kitakami, Hideo Fujiwara, Kiyotaka Ojima, Youichi Ogawa | 1991-11-26 |
| 5059337 | Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms | Tsuyoshi Maro, Osamu Kitakami, Hideo Fujiwara | 1991-10-22 |
| 5000984 | Method of making a magnetic recording medium | Hideaki Niimi, Noboru Isoe | 1991-03-19 |
| 4983455 | Magnetic recording medium and process for producing the same | Tetsuo Mizumura | 1991-01-08 |
| 4933797 | Arrangement for preventing entrance of harmful particles for use in a cartridge | Hikaru Mizutani, Hideo Fujiwara, Hideaki Niimi, Noboru Isoe, Toshio Doi | 1990-06-12 |
| 4855175 | Magnetic recording medium and production thereof | Hideaki Niimi, Noboru Isoe | 1989-08-08 |
| 4847109 | Method of a making magnetic recording medium | Susumu Shibasaki | 1989-07-11 |
| 4826739 | Magnetic recording medium | Noboru Isoe, Tetsuo Mizumura | 1989-05-02 |
| 4755426 | Magnetic recording medium and production of the same | Fumio Kokai, Minoru Ichijo | 1988-07-05 |
| 4737415 | Magnetic recording medium and production thereof | Minoru Ichijo, Tsunemi Ohiwa, Fumio Kokai, Takashi Kubota | 1988-04-12 |