Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D342499 | Television receiver | Kenichi Wada, Masao Yoshikawa, Hiroaki Nishiyori | 1993-12-21 |
| D342500 | Television receiver | Kenichi Wada, Masakazu Nakamura, Masao Yoshikawa, Hiroaki Nishiyori | 1993-12-21 |
| D342516 | Television receiver | Takaharu Kabetani | 1993-12-21 |
| D316407 | Television receiver | Masao Yoshikawa | 1991-04-23 |
| D311183 | Television receiver | Hiroshi Yasuno | 1990-10-09 |
| D276458 | Oil heater | Daisaku Mori, Sayoko Kanda | 1984-11-20 |