Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187724 | Lubricant composition and magnetic recording medium using the same | Tsunehiko Ikarashi, Koji Kobayashi, Hiromichi Kanazawa, Takahiro Hayashi | 2001-02-13 |
| 5475140 | Process for producing N,N-disubstituted p-phenylenediamine derivative sulfate | Ryohiko Kinoshita, Yoshiki Kametani | 1995-12-12 |