Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198942 | Telephone apparatus adaptable to different communication systems | Keisaku Hayashi | 2001-03-06 |
| 4625329 | Position analyzer for vehicle drivers | Hiroshi Ishikawa, Kazuma Matsui, Takashi Kurahashi, Motokazu Yamada | 1986-11-25 |