Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5433999 | Magnetic recording medium comprising specific backcoat layer | Yukihiro Shimasaki, Kazuyoshi Honda, Tatsuaki Ishida, Kiyokazu Tohma, Ryuji Sugita +1 more | 1995-07-18 |
| 5202149 | Method for making a magnetic recording medium | Tatsuaki Ishida, Ryuji Sugita, Kiyokazu Tohma, Kazuyoshi Honda, Yasuhiro Kawawake | 1993-04-13 |
| 5079061 | Optical storage media | Takashi Hashida, Eiji Ando | 1992-01-07 |
| 5039555 | Method of preparing lubricant for recording media | Eiji Ando, Yosio Okahata | 1991-08-13 |
| 4557850 | Composition for absorption refrigeration | Eiji Ando, Kumiko Moriyama, Isao Takeshita, Kunio Hirao | 1985-12-10 |