Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8471477 | Substrate processing apparatus and method of manufacturing semiconductor device | Masayuki Tomita, Katsunori FUNAKI, Shinji Yashima | 2013-06-25 |
| 8395347 | Induction motor control device and induction motor group control system | Kazuhiko Fukutani, Hideo Narisawa, Takanori Isobe, Tadayuki Kitahara | 2013-03-12 |
| 8383978 | Steel pipe material weld zone heating apparatus and method | Kazuhiko Fukutani, Kenji Umetsu, Yoshiaki Nakamura, Kazuto Yamamoto, Takashi Miyakawa +2 more | 2013-02-26 |
| 8384333 | Alternating voltage control apparatus | — | 2013-02-26 |
| 8097981 | AC/DC power converter using magnetic energy recovery switch | Kazuhiro USUKI | 2012-01-17 |
| 8045309 | Magnetic energy recovery switch having protective circuit | — | 2011-10-25 |
| 7974113 | Electric power unit for induction heating | Tadayuki Kitahara, Kazuhiko Fukutani | 2011-07-05 |
| 7919887 | High repetitous pulse generation and energy recovery system | Taku Takaku | 2011-04-05 |
| 7898113 | Pulse power supply device | Taku Takaku | 2011-03-01 |
| 7843166 | Alternating-current power supply device recovering magnetic energy | Hideo Sumitani, Taku Takaku, Takanori Isobe | 2010-11-30 |
| 7476076 | Centrifugal fan | — | 2009-01-13 |
| 7433212 | System linking apparatus for generated electric power | Seiki Igarashi, Yoshiyuki Uchida | 2008-10-07 |
| 6058029 | Power unit for generating discharge shock waves | Koichiro Itow, Hikosaburo Hiraki | 2000-05-02 |
| 5256907 | Electric power supply apparatus | Tatsuya MATSUKAWA, Yasuo Yoshida | 1993-10-26 |