Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326192 | Gasket | — | 2025-06-10 |
| 11499635 | Gasket and sealing structure | Isao Tanji | 2022-11-15 |
| 11333247 | Metal gasket | Takeshi Watanabe, Isao Tanji, Shinya Nakaoka, Ryoko Saito | 2022-05-17 |
| 11248704 | Metal gasket | Isao Tanji, Takeshi Watanabe | 2022-02-15 |
| 10670032 | Sealing structure for casing | Shinya Nakaoka, Isao Tanji | 2020-06-02 |
| 10544794 | Sealing structure for casing | Shinya Nakaoka, Isao Tanji | 2020-01-28 |
| 10371160 | Sealing structure for casing | Shinya Nakaoka, Isao Tanji | 2019-08-06 |
| 9841103 | Metal gasket | Takeshi Watanabe, Isao Tanji, Shinya Nakaoka | 2017-12-12 |
| 9726290 | Seal structure using metal gasket | Shinya Nakaoka, Masaru Ito, Isao Tanji, Takanori Anzai, Shota Toma | 2017-08-08 |
| 7171317 | Load information display device and circuit breaker | Kazuhiko Kato, Hideki Hayakawa, Tetsunori Watanabe, Toshiko Kimura | 2007-01-30 |
| 6480082 | Circuit breaker | Terumi Shimano, Eietsu Sato, Yukihide Yamada, Koichi Yokoyama, Toru Ohshima +2 more | 2002-11-12 |