Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D579476 | Projector | Takahisa Yamada, Kiyotaka Fujita, Naoto Fukasawa | 2008-10-28 |
| D571390 | Projector | Takahisa Yamada, Yasushi Itou, Naoto Fukasawa | 2008-06-17 |
| D565079 | Projector lens | Shigeo Inoue, Susumu Ogawa, Junsi Lee, Naoto Fukasawa, Tsunao Nagasaki | 2008-03-25 |
| D552149 | Projector | Shigenori Sakai, Susumu Ogawa, Yasushi Itou, Naoto Fukasawa | 2007-10-02 |
| D505441 | Projector | Lee Junsi, Susumu Ogawa, Shigeo Inoue, Naoto Fukasawa | 2005-05-24 |
| D504453 | Projector | Lee Junsi, Susumu Ogawa, Shigeo Inoue, Naoto Fukasawa | 2005-04-26 |