Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D430499 | Watthour meter | Kenshichiro Mishima | 2000-09-05 |
| D276067 | Oil heater | Daisaku Mori | 1984-10-23 |
| D261266 | Vacuum cleaner | Toshihiko Yoshida, Masakazu Tatsumi, Toshiki Kubo, Tsugio Akita, Yoshiaki Ueda | 1981-10-13 |