Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10899949 | Filler-containing film | Reiji Tsukao | 2021-01-26 |
| 7099131 | Surge absorber and surge absorber array | Toru Tominaga, Yukichi Sakurai, Takaaki Ooi | 2006-08-29 |
| 6358875 | Semiconductive ceramic material, semiconductive ceramic, and semiconductive ceramic element | Yoichi Kawase, Yoshiyuki Yamashita, Masahiko Kawase | 2002-03-19 |
| 6176902 | Electric dust collector and incinerator | — | 2001-01-23 |
| 6071330 | Electric dust collector | Wataru Watanabe | 2000-06-06 |
| 5216399 | Automatic cancelling device for blinkers | Soetsu Kamada | 1993-06-01 |
| 4485280 | Switch | Hiroshi Tokuyama, Yoshinori Watanabe | 1984-11-27 |