Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512373 | Magnetic recording medium | Koji Kobayashi, Mitsuru Takai, Masashi Higo | 1996-04-30 |
| 5472778 | Magnetic recording medium | Takayoshi Kobuke | 1995-12-05 |
| 5288543 | Protective film on sliding members and method of forming same | Masaru Ikebe, Morimasa Sasaki | 1994-02-22 |
| 5185067 | Process for manufacturing diamond-like thin film | Masanori Shibahara, Masatoshi Nakayama | 1993-02-09 |
| 5169452 | Apparatus for the synthesis of diamond-like thin films | Masatoshi Nakayama, Masanori Shibahara | 1992-12-08 |
| 5154978 | Highly corrosion-resistant rare-earth-iron magnets | Masatoshi Nakayama, Koichi Yajima, Kenji Nakaya, Masanori Shibahara, Takatoshi Ooyama +1 more | 1992-10-13 |
| 5112025 | Molds having wear resistant release coatings | Masatoshi Nakayama, Toshihiko Ishida, Hiroshi Tanabe | 1992-05-12 |
| 5112458 | Process for producing diamond-like films and apparatus therefor | Masatoshi Nakayama | 1992-05-12 |
| 5080971 | Magnetic recording medium | Kenji Yokoyama, Masatoshi Nakayama, Toru Shimozawa, Fumio Maruta | 1992-01-14 |
| 5069967 | Magnetic recording medium | Kenji Yokoyama, Masatoshi Nakayama, Toru Shimozawa, Fumio Maruta | 1991-12-03 |
| 5068146 | Polymerized films, medium related members, and process for making | Masatoshi Nakayama, Masatoshi Okamura | 1991-11-26 |
| 4988573 | Medium related members | Masatoshi Nakayama, Masatoshi Okamura | 1991-01-29 |
| 4900622 | Magnetic recording medium | Masatoshi Nakayama, Koji Kobayashi, Mitsuru Takai, Shigeo Kurose | 1990-02-13 |
| 4892789 | Magnetic recording medium | Masatoshi Nakayama, Yasufumi Takasugi | 1990-01-09 |
| 4889767 | Magnetic recording medium | Kenji Yokoyama, Masatoshi Nakayama, Toru Shimozawa, Fumio Maruta | 1989-12-26 |
| 4880687 | Magnetic recording medium | Kenji Yokoyama, Masatoshi Nakayama, Toru Shimozawa, Fumio Maruta | 1989-11-14 |
| 4863811 | Magnetic recording medium and method of making | Masatoshi Nakayama | 1989-09-05 |
| 4844978 | Magnetic recording medium | Masatoshi Nakayama, Yasufumi Takasugi | 1989-07-04 |
| 4824724 | Magnetic recording medium | Yasufumi Takasugi, Masatoshi Nakayama | 1989-04-25 |
| 4816334 | Magnetic recording medium | Kenji Yokoyama, Masatoshi Nakayama, Fumio Maruta | 1989-03-28 |
| 4780354 | Magnetic recording medium | Masatoshi Nakayama | 1988-10-25 |
| 4770924 | Magnetic recording medium | Mitsuru Takai, Koji Kobayashi, Masatoshi Nakayama, Shigeo Kurose | 1988-09-13 |
| 4749608 | Magnetic recording medium | Masatoshi Nakayama, Yasufumi Takasugi | 1988-06-07 |
| 4734810 | Magnetic recording medium comprising protrusion on its surface and a plasma treated substrate and recording/reproducing method therefor | Masatoshi Nakayama, Yuichi Kubota | 1988-03-29 |