Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5825429 | Apparatus and method for generating interpolated image data | — | 1998-10-20 |
| 5547704 | Method for producing a magnetic disk | Yasuo Nagashima | 1996-08-20 |
| 4988535 | Magnetic recording medium | Yoshihiro Arai, Tadashi Yasunaga | 1991-01-29 |
| 4885189 | Method of producing magnetic recording media | Tadashi Yasunaga | 1989-12-05 |
| 4835068 | Magnetic recording medium | Yoshihiro Arai, Tadashi Yasunaga | 1989-05-30 |
| 4743467 | Method for preparing magnetic recording medium | Akio Yanai | 1988-05-10 |
| 4724156 | Method of manufacturing magnetic recording medium | Yoshihiro Arai, Tadashi Yasunaga | 1988-02-09 |
| 4713262 | Manufacturing method for a magnetic recording medium | Tadashi Yasunaga | 1987-12-15 |
| 4702938 | Process for producing magnetic recording material | Tadashi Yasunaga, Akio Yanai | 1987-10-27 |
| 4700198 | Process for recording information by irradiation of, an deposition on, a substrate | Tatsuji Kitamoto, Yoshihiro Arai | 1987-10-13 |
| 4690857 | Magnetic recording medium | Yasuo Tamai | 1987-09-01 |
| 4673610 | Magnetic recording medium having iron nitride recording layer | Yoshihiro Arai, Tadashi Yasunaga | 1987-06-16 |
| 4661421 | Method for preparing a magnetic recording medium | Tadashi Ishikuro, Kunihiko Honda, Masataka Ohta | 1987-04-28 |
| 4661418 | Magnetic recording medium | Akio Yanai | 1987-04-28 |
| 4652460 | Process for preparing magnetic recording medium | Yoshihiro Arai | 1987-03-24 |
| 4643915 | Process for producing magnetic recording medium | Yoshihiro Arai | 1987-02-17 |
| 4626315 | Process of forming ultrafine pattern | Tatsuji Kitamoto, Hiroshi Amari, Akira Nahara, Yoshihiro Arai | 1986-12-02 |
| 4622271 | Magnetic recording medium | Yoshihiro Arai | 1986-11-11 |
| 4604293 | Process for producing magnetic recording medium | Akio Yanai | 1986-08-05 |
| 4601912 | Method of preparing a magnetic recording medium | Yoshihiro Arai | 1986-07-22 |
| 4600638 | Magnetic recording medium | Tadashi Ishikuro, Takahito Miyoshi, Masaaki Fujiyama | 1986-07-15 |
| 4588636 | Magnetic recording medium | Akio Yanai, Tatsuji Kitamoto | 1986-05-13 |
| 4588656 | Method of preparing a magnetic recording medium | Tatsuji Kitamoto, Yasuyuki Yamada, Goro Akashi | 1986-05-13 |
| 4582746 | Magnetic recording medium | Tatsuji Kitamoto | 1986-04-15 |
| 4578311 | Magnetic recording medium | Tadashi Ishikuro, Takahito Miyoshi, Masaaki Fujiyama | 1986-03-25 |