Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11295710 | Bass drum pad and drum kit | Satoshi Hirasawa | 2022-04-05 |
| 11222617 | Snare drum practice pad | Satoshi Hirasawa | 2022-01-11 |
| 8927842 | Drum system | — | 2015-01-06 |
| 6231805 | Injection molding method | Takashi Yairo, Takashi Morimoto, Sunao Yamasaki | 2001-05-15 |
| 5382819 | Semiconductor device having MOS source follower circuit | — | 1995-01-17 |
| 5150216 | Solid-state image sensing device having an optimum overflow drain voltage generation circuit | Yoshihiko Tokitou | 1992-09-22 |