Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997382 | Method of processing sealing surface of casting and grindstone suitable for use therein | Motoshi NAKAMURA, Morihiro Sawada, Kazuya Nakata, Masafumi Yamaguchi | 1999-12-07 |