Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133518 | Composition of resin for light transmitting keys of a musical keyboard instrument | Norizo Kamimura | 2000-10-17 |
| 5863568 | Method and apparatus for thermoforming thermoplastic sheets | Takao Tamada | 1999-01-26 |
| 5507715 | Device for cleaning adhering material off of sand | Osamu Masuno, Kazuharu Matsui, Akio Isono, Takehiko Matsumoto, Tsuyoshi Murata +1 more | 1996-04-16 |