Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764300 | Optical recording medium and data recording device | Ryuichiro Yoshimura, Hidenori Nakagawa, Takayuki Yamamoto, Takashi Nakai, Kazumasa Nakamura +12 more | 2010-07-27 |
| 7137130 | Pickup device with heat-radiating mechanism | Masaya Murata, Masayuki Koyama, Takehiko Hayashi, Tsuyoshi Iwano | 2006-11-14 |
| 7124420 | Pickup device having a heat-radiation path | Masaya Murata, Masayuki Koyama, Takehiko Hayashi, Tsuyoshi Iwano | 2006-10-17 |