Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724242 | Metal roofing material and roofing method | Motonori Kurotaki, Shuichi Sugita, Keiji Izumi, Tomoyuki Nagatsu, Yuugo Oota +3 more | 2020-07-28 |
| 10597874 | Metal roofing material, and roofing structure and roofing method using same | Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita +1 more | 2020-03-24 |
| 10400455 | Metal roofing member, production method thereof, roofing structure and roofing method | Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita | 2019-09-03 |
| 10233645 | Metal roofing member, and roofing structure and roofing method using same | Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita | 2019-03-19 |
| 9953778 | Gas circuit breaker and breaker for gas insulated switching device | Hiroaki Hashimoto, Takashi Iida, Shunta MORI | 2018-04-24 |
| 9640349 | Gas circuit breaker | Hiroaki Hashimoto, Go KOBAYASHI | 2017-05-02 |
| 9425589 | Gas-insulated switchgear | Hiroaki Hashimoto, Daisuke Ebisawa, Makoto Hirose | 2016-08-23 |
| 9324510 | Gas circuit breaker | Hiroaki Hashimoto | 2016-04-26 |
| 8694138 | Sound data processing appartus | Kenichi Kojima | 2014-04-08 |
| 7880105 | Circuit breaker | Hiroaki Hashimoto, Hideo Kawamoto | 2011-02-01 |
| 7528336 | Gas circuit-breaker | Hiroaki Hashimoto, Hideo Kawamoto | 2009-05-05 |
| 6875941 | Hydraulic operating apparatus for switch | Hideo Kawamoto, Daisuke Ebisawa | 2005-04-05 |
| 6851872 | Substrate processing apparatus and substrate processing method | Akira Kanbayashi | 2005-02-08 |
| 6831244 | Gas-insulated switch | Hideo Kawamoto, Tetsu Ishiguro | 2004-12-14 |
| 6762387 | Gas-insulated switch | Hideo Kawamoto, Tetsu Ishiguro | 2004-07-13 |
| 6717088 | Gas-insulated switch | Hideo Kawamoto, Tetsu Ishiguro | 2004-04-06 |
| 6507770 | Substrate processing system and substrate processing method | Masanori Tateyama, Jun Ookura | 2003-01-14 |