Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8289715 | Plasma display device | — | 2012-10-16 |
| D532903 | Bladed wheel for a centrifuge air blower | Masahiko Hirata, Ryozo Sato, Shinji Yoshida | 2006-11-28 |
| 4953154 | Pickup transport device for optical disc apparatus | Masaaki Azumi, Kazuo Shigetomi, Takaya Kamimura, Hideki Ishida | 1990-08-28 |
| 4839881 | Pickup transport device for optical disc apparatus | Masaaki Azumi, Kazuo Shigetomi, Takaya Kamimura, Hideki Ishida | 1989-06-13 |
| 4601588 | Temperature-indicating sheet | Tomoyoshi Ono, Makoto Nakai | 1986-07-22 |
| 4439850 | Record player | Tadahiko Yabu | 1984-03-27 |