Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660957 | Apparatus for electric discharge machining | Hiroyuki Ohguro, Seiji Satou, Akihiro Suzuki | 2003-12-09 |
| 6639767 | Semiconductor switching devices | Hiroshi Ito, Akihiro Suzuki | 2003-10-28 |
| 6630641 | Electric discharge machining apparatus generating preliminary discharge and machining discharge pulses | Taichiro Tamida, Takashi Hashimoto, Akihiro Suzuki, Atsushi Taneda | 2003-10-07 |
| 6589403 | Electrolysis gas converter and electric device using same | Akira Ikeda, Shigeo Ueguri, Yoshikazu Tsunoda | 2003-07-08 |
| 6580048 | Electrical discharge machining apparatus supplying initial and processing currents | Takashi Hashimoto, Akihiro Suzuki, Taichirou Tamida, Yoshikazu Tsunoda, Hiroyuki Ooguro +1 more | 2003-06-17 |
| 6548966 | Discharge lamp lighting device | Taihei Kawasaka, Hidehiko Kinoshita, Takahiro Urakabe | 2003-04-15 |