Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573685 | Method of replacing secondary battery | Toshiaki Nakanishi, Hiromichi Kuno, Tadao Kimura, Yozoh Ogino, Kouji Otsubo +4 more | 2003-06-03 |
| 6532202 | Optical element, optical head and optical recording reproducing apparatus | Hidenori Wada, Shin-ichi Kadowaki, Hiroaki Yamamoto, Tetsuo Saimi, Daisuke Ogata +1 more | 2003-03-11 |