Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580500 | Method of manufacturing carbon substrate | Kazuo Muramatsu, Manabu Hisada, Hideki Yamamuro, Hideo Ashida, Satoru Takada +2 more | 1996-12-03 |
| 5326607 | Amorphous carbon substrate for a magnetic disk and a method of manufacturing the same | Kazuo Muramatsu, Nobuhiro Ohta, Shunsuke Takada, Motoharu Sato, Hiroko Nagata +1 more | 1994-07-05 |
| 5220098 | Process for separating 2, 7-dimethylnaphthalene under pressure | Kazumoto Nakamura, Shinji Aihara, Yutaka Mito, Hitoshi Hatakeyama | 1993-06-15 |
| 4992619 | Process for separating methyl substituted naphthalene by crystallization under pressure | Shunichi Koide, Shinji Aihara, Hiroshi Takeshita, Harumasa Tanabe, Hitoshi Hatakeyama | 1991-02-12 |