Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281672 | Opening/closing device | Satoi Ogawa, Yoshiaki Ohda, Tooru Inoue, Tomohiro Hasegawa, Norimitsu Kato | 2025-04-22 |
| 9748051 | Operating mechanism including a movable element supported by electromagnetic force | Yutaka Maruyama, Katsumi Suzuki, Yoshiaki Ohda | 2017-08-29 |
| 9570891 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Hirokazu Takagi, Tooru Inoue | 2017-02-14 |
| 9349554 | Switchgear and switchgear operating mechanism | Yoshiaki Ohda, Tatsuya Watanabe, Yoshikata Kobayashi, Masaharu Shimizu | 2016-05-24 |
| 9178339 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Hirokazu Takagi, Tooru Inoue | 2015-11-03 |
| 9142941 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Hirokazu Takagi, Tooru Inoue | 2015-09-22 |
| 9136675 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Hirokazu Takagi, Tooru Inoue | 2015-09-15 |
| 9070519 | Switchgear and operation mechanism for the same | Yoshiaki Ohda, Masaharu Shimizu, Tooru Inoue, Yoshikata Kobayashi | 2015-06-30 |
| 8963039 | Gas circuit breaker | Yoshiaki Ohda, Akira Shimamura, Ryusuke Ochiai | 2015-02-24 |
| 8912870 | Switchgear and switchgear operating mechanism | Yoshikata Kobayashi, Yoshiaki Ohda, Masaharu Shimizu | 2014-12-16 |
| 8844913 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Hirokazu Takagi, Tooru Inoue | 2014-09-30 |
| 8420969 | Switchgear and switchgear operating mechanism | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Hirokazu Takagi | 2013-04-16 |
| 8395067 | Switchgear and switchgear operating mechanism | Yoshikata Kobayashi, Yoshiaki Ohda, Masaharu Shimizu, Tooru Inoue | 2013-03-12 |
| 8330065 | Switchgear and switchgear operating mechanism | Yoshiaki Ohda, Masaharu Shimizu, Hirokazu Takagi, Yoshikata Kobayashi | 2012-12-11 |
| 7772513 | Switchgear and switchgear operating mechanism | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu | 2010-08-10 |