Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492791 | Protection method, control circuit, and battery unit | Mitsuo Saeki, Masafumi Okumura, Hidekiyo Ozawa | 2002-12-10 |
| 6441073 | Biological materials | Junzo Tanaka, Masanori Kikuchi, Kimihiro Miyamoto, Shuji Suwa, Shunji Ichikawa +8 more | 2002-08-27 |
| 6366475 | Power control method and circuit, and power supply unit | Shigeaki Nakazawa, Hidetoshi Yano, Hidekiyo Ozawa | 2002-04-02 |