Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11875968 | High frequency power source allowing arbitrary setting of temporal change pattern for high frequency output power | Takamichi Kishira, Katsunori Tanaka | 2024-01-16 |
| 11722046 | Electromagnetic coupling device | Yoshinori Fujisawa, Yukihiro Hara, Shinya Ozaki | 2023-08-08 |
| 11651938 | Impedance matching device provided in high-frequency power system | Etsuro Kawata, Takamichi Kishira, Takehiro Okazaki, Nobutaka Fujiwara, Atsushi Katsuya +1 more | 2023-05-16 |
| 9080653 | Drive apparatus | Yasuyoshi Suzuki, Yuuya Takahashi | 2015-07-14 |
| 7820044 | Fluid filter and method of using same | Teruyoshi Nawa, Tomohiko Takeuchi | 2010-10-26 |
| 7655078 | Bubble separator | Yasuhiro Saito | 2010-02-02 |
| 7435345 | Element replacement type filter | Tomohiko Takeuchi, Naoki Tada, Sadahito Fukumori | 2008-10-14 |
| 7297282 | Fluid filter, drain mechanism thereof, draining jig used in fluid filter and draining method of fluid filter | Kiichiro Suzumori, Sadahito Fukumori, Ryuichiro Kamioka, Jin Hashioka, Kenzo Kado | 2007-11-20 |
| 7150828 | Fluid filter having drain structure and drain tool | Haruaki Sakata, Yoshihiko Sugiura, Noriyuki Tsuge | 2006-12-19 |
| 7141166 | Drain structure having drainpipe and fluid filter using the same | Yoshihiko Sugiura, Noriyuki Tsuge | 2006-11-28 |
| 6739305 | Oil pump for internal combustion engine and method of operating the same | Yoshihiko Doi | 2004-05-25 |
| 6070740 | Protector for holding filter medium | Yoshihisa Sanami, Shuji Yamaguchi | 2000-06-06 |
| 5759351 | Method of manufacturing a filter having longitudinal channels by molding from a slurry using thermosetting resin | Keizou Funae, Jouji Yamaguchi, Takeharu Maekawa | 1998-06-02 |
| 5755963 | Filter element and fabrication method for the same | Masahito Sugiura, Toshihiko MURASE, Yoshihisa Sanami, Atushi Kosaka, Takeharu Maekawa +1 more | 1998-05-26 |
| 5456741 | Air purifier | Kenichi Katou, Masakazu Takeichi | 1995-10-10 |
| 5205156 | Device for detection of degree of clogging of a dust filter | Hideo Asano, Kenichi Fujiwara | 1993-04-27 |