Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485424 | Process and circuit for exciting solenoid coil | Hideo Niwa | 1984-11-27 |
| 4326147 | Slotted shadow mask having apertures spaced to minimize moire | Takeshi Nakayama, Takehiko Nishimoto, Machio Kawashima, Kuniharu Osakabe | 1982-04-20 |
| 4210842 | Color picture tube with shadow mask | Takeshi Nakayama, Takehiko Nishimoto, Machio Kawashima, Kuniharu Osakabe | 1980-07-01 |