Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197086 | Lighting fixture | Hiroaki Watanabe, Erika Takenaka, Kozo Ogawa, Keiichi Shimizu | 2012-06-12 |
| 4838629 | Reflector | Nobuo Matsushita | 1989-06-13 |
| 4309572 | Call processing system with an operator assistance in a telephone switching system | Hiromichi Mori, Jun Matsumoto, Yoshikazu Ikeda | 1982-01-05 |