Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672423 | Speaker and method of assembling the speaker | — | 2004-01-06 |
| 6474440 | Diaphragm for speaker and speaker device provided with the same | — | 2002-11-05 |
| 6236733 | Loudspeaker | Satoshi Hachiya, Takeshi Iwata | 2001-05-22 |
| 5874990 | Supervisory camera system | — | 1999-02-23 |
| 4993510 | Mobile speaker fixing device | Yoshihiro Hirano | 1991-02-19 |
| 4928787 | Mobile speaker system | — | 1990-05-29 |
| 4598299 | Deflection control ink jet printing apparatus | Takahisa Koike, Takao Fukazawa, Kazumi Ishima, Toshiharu Murai, Tadashi Itoh +1 more | 1986-07-01 |
| 4595948 | Multicolor ink jet recording apparatus having means for preventing blurring of ink | Tadashi Itoh, Toshiharu Murai, Koichiro Jinnai, Kazumi Ishima, Takahisa Koike +1 more | 1986-06-17 |
| 4390176 | Sheet clamping device | — | 1983-06-28 |