Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281672 | Opening/closing device | Satoi Ogawa, Satoshi Marushima, Yoshiaki Ohda, Tomohiro Hasegawa, Norimitsu Kato | 2025-04-22 |
| 12199413 | Gas insulation apparatus | Tomohiro Hasegawa, Norimitsu Kato, Amane Majima, Toshiyuki Uchii | 2025-01-14 |
| 11222760 | Gas circuit breaker | Amane Majima, Toshiyuki Uchii, Norimitsu Kato, Akira Shimamura, Takanori Yasuoka +2 more | 2022-01-11 |
| 9570891 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Hirokazu Takagi | 2017-02-14 |
| 9178339 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Hirokazu Takagi | 2015-11-03 |
| 9142941 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Hirokazu Takagi | 2015-09-22 |
| 9136675 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Hirokazu Takagi | 2015-09-15 |
| 9070519 | Switchgear and operation mechanism for the same | Satoshi Marushima, Yoshiaki Ohda, Masaharu Shimizu, Yoshikata Kobayashi | 2015-06-30 |
| 8844913 | Buffering device for the operating mechanism of a switchgear, and method of lubrication thereof | Yoshiaki Ohda, Yoshikata Kobayashi, Masaharu Shimizu, Satoshi Marushima, Hirokazu Takagi | 2014-09-30 |
| 8395067 | Switchgear and switchgear operating mechanism | Satoshi Marushima, Yoshikata Kobayashi, Yoshiaki Ohda, Masaharu Shimizu | 2013-03-12 |
| 7323213 | Apparatus and method for discharge surface treatment | Akihiro Goto | 2008-01-29 |
| 7067011 | Apparatus and method for discharge surface treatment | Akihiro Goto | 2006-06-27 |
| 6816783 | Navigation system having in-vehicle and portable modes | Saburo Hashima, Ko Narita, Masaki Ebi | 2004-11-09 |
| 6783795 | Power supply apparatus for discharge surface treatment | Akihiro Goto | 2004-08-31 |
| 6702896 | Apparatus and method for discharge surface treatment | Akihiro Goto | 2004-03-09 |
| 6437278 | Green compact electrode for discharge surface treatment | Akihiro Goto | 2002-08-20 |
| 5841190 | High density multi-layered printed wiring board, multi-chip carrier and semiconductor package | Kouta Noda, Benzhen Yuan | 1998-11-24 |
| 4774701 | Data recording method with improved synchronization recovery | Minoru Ozaki, Fumio Matsuda, Hiroyuki Kumazawa | 1988-09-27 |
| 4700116 | System for controlling brushless DC motor | Kiyoshi Nagasawa, Kyooji Yamane | 1987-10-13 |