Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146244 | Substrate produced by using alumina particles as an abrasive | Manabu Shibata, Tsutomu Koseki, deceased | 2000-11-14 |
| 6146805 | Printing method, printer, printed object, and optical disk | Yoshiki Yoshimura, Ikuo Takahashi, Takashi Sakurai, Yutaka Kanamaru, Shinji Moriyama +1 more | 2000-11-14 |
| 5868604 | Abrasives composition, substrate and process for producing the same, and magnetic recording medium and process for producing the same | Manabu Shibata, Tsutomu Koseki, deceased | 1999-02-09 |