Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263855 | Direct fuel injection-type spark-ignition internal combustion engine | Tatsuo Kobayashi, Souichi Matushita, Toshimi Kashiwagura, Shizuo Abe, Fumiaki Hattori +1 more | 2001-07-24 |
| 4609262 | Aspherical lens for use in optical equipment | Kazuhiro Kozuka | 1986-09-02 |