Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577105 | Circuit and device for protecting secondary battery | — | 2003-06-10 |
| 6524732 | Rechargeable battery with protective circuit | Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Masaru Kawabe, Katsuyuki Shirasawa | 2003-02-25 |
| 6524739 | Secondary battery | Kenjin Masumoto, Seiichi Mizutani, Katsuhiko Mori, Tomiya Ishimaru | 2003-02-25 |