Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10271705 | Autonomous travel-type cleaner | Motonobu Shigeto, Kenji Watanabe, Shinichi Matsumura | 2019-04-30 |
| 8212504 | Conduction angle control of brushless motor | — | 2012-07-03 |
| 7400109 | Inverter circuit and compressor | Shinichiro Nomura, Katsumi Endo, Shigetomi Tokunaga | 2008-07-15 |
| 6014004 | Refrigerating apparatus, and refrigerator control and brushless motor starter used in same | Kouji Hamaoka, Keiji Ogawa, Koyo Shibuya, Takashi Satomura, Yasuhiro Tsujii +1 more | 2000-01-11 |
| 5970733 | Refrigerating apparatus and refrigerator control and brushless motor starter used in same | Kouji Hamaoka, Keiji Ogawa, Koyo Shibuya, Takashi Satomura, Yasuhiro Tsujii +1 more | 1999-10-26 |
| 5857349 | Refrigerating apparatus, and refrigerator control and brushless motor starter used in same | Kouji Hamaoka, Keiji Ogawa, Koyo Shibuya, Takashi Satomura, Yasuhiro Tsujii +1 more | 1999-01-12 |
| 5316455 | Rotary compressor with stabilized rotor | Takao Yoshimura, Ichiro Morita | 1994-05-31 |