Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947926 | Investment compound for use in precision casting mold | Mikinori Nishimura | 1990-08-14 |
| 4762165 | Arc melting and casting method and apparatus thereof | Shigehiko Inoue, Touru Tomai, Masami Tamura | 1988-08-09 |
| 4521190 | Air bearing device in dental handpiece | Shozo Nakayama | 1985-06-04 |