Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439677 | Maintenance apparatus for medical hand piece | Makoto Numakawa, Makoto Kawakami, Hirofumi Jikuhara | 2013-05-14 |
| 4762165 | Arc melting and casting method and apparatus thereof | Sekiya Ogino, Touru Tomai, Masami Tamura | 1988-08-09 |