Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11640729 | Sound output device and sound output method | — | 2023-05-02 |
| 4806809 | Rotary shaft coupling device | Kazuhisa Kubota, Hisashi Hirose, Yasuo Miyake, Sinzi Mizutani | 1989-02-21 |
| 4788474 | Dimmer apparatus | Sadao Kokubu, Koji Takizawa, Makoto Okada | 1988-11-29 |
| 4681712 | Molding process for plastics | Tsunehiko Toyoda, Yoshihisa Nagashima | 1987-07-21 |
| 4555743 | Timer circuit | Sadao Kokubu, Masatoshi Hirano | 1985-11-26 |
| 4268542 | Process for forming multi-layer coatings | Haruhiko Okazaki | 1981-05-19 |
| 4243565 | Aqueous dispersion type coating composition | Sakae Nishino, Haruhiko Okazaki | 1981-01-06 |