Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357147 | Wave-shaping apparatus | Hiroyuki Ina, Takashi Harada, Masakazu Honda, Tomohisa Yamamoto | 1994-10-18 |
| 5313155 | Driving apparatus for cross-coil type analog indicating instrument having reduced ripple | Tomohisa Yamamoto | 1994-05-17 |