Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938891 | Disk bonding system | Toshio Kashiwagi, Masahiko Kotoyori, Hironobu Nishimura | 1999-08-17 |
| 5743965 | Disk coating system | Hironobu Nishimura, Yoshihiko Naito, Naozumi MIZUTANI, Masahiko Kotoyori | 1998-04-28 |