Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7467686 | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers | Takeshi Hirano, Tomoaki Ogata, Toshikatsu Kuwahata | 2008-12-23 |
| 7017545 | Balancer device of engine | Masaaki Sato, Sakumi Haseto, Kazuo Isayama, Nobuhiko Tanaka, Akihiro Noda +1 more | 2006-03-28 |
| 5560014 | Dynamic object management method in object oriented language | — | 1996-09-24 |