Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7245489 | Air conditioning structure for electrical appliances | Yoshihiro Natsume, Ryutaro Sugimoto | 2007-07-17 |
| 7231648 | Disk holding apparatus, and disk apparatus | Kiyoshi Kawakubo, Takeshi Sano, Yukio Matsumoto, Akira Ishihara, Noboru Fujita +3 more | 2007-06-12 |