Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449998 | Shot peening method and device therefor | Hitoshi Takeda, Hitoshi Rokutannda | 2002-09-17 |
| D349719 | Electronic controller unit for a piano | — | 1994-08-16 |
| 5113680 | Apparatus for detecting intensity and/or density of shot blasting | Makoto Matsuura, Hironobu Amano | 1992-05-19 |
| D311412 | Combined grand piano keyboard cover and auto-play control unit | — | 1990-10-16 |
| D278153 | Piano player | — | 1985-03-26 |
| D256130 | Electric piano, or the like | — | 1980-07-29 |