Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401675 | Variable valve gear device of internal combustion engine | Makoto Nakamura, Naoki Okamoto | 2002-06-11 |
| 6397800 | Valve control device of internal combustion engine | Tsuneyasu Nohara, Takanobu Sugiyama | 2002-06-04 |
| 6335109 | Safety device and secondary battery using the same | Akihiko Takahashi, Yasuhiro Goto, Chitoshi Ueki | 2002-01-01 |