Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309018 | Semiconductor integrated circuit device and noncontact IC card | Yutaka Nakadai, Norihisa Yamamoto, Toshiaki Shibata | 2007-12-18 |
| 5895449 | Singing sound-synthesizing apparatus and method | Masahiro Koyama | 1999-04-20 |
| 5744741 | Digital signal processing device for sound signal processing | Masahiro Koyama | 1998-04-28 |
| 5298675 | Electronic musical instrument with programmable synthesizing function | Tetsuo Nishimoto | 1994-03-29 |
| 4865794 | Method of integrally molding member onto portion of rigid member | Takao Umezawa, Takashi Momiyama, Yoichi Inoue | 1989-09-12 |