Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40528 | Voltage fluctuation compensating apparatus | Akihiro Suzuki, Hiroyuki Sasao, Kenichi Koyama, Toshiyuki Kikunaga, Mitsugu Takahashi | 2008-10-07 |
| 7327095 | Discharge lamp lighting apparatus | Takahiro Urakabe | 2008-02-05 |
| 7312584 | Plasma-generation power-supply device | Taichiro Tamita, Noboru Wada, Shingo MINE, Hajime Nakatani | 2007-12-25 |
| 7224150 | Redundancy circuit for series-connected diodes | Hiroyasu Iwabuki | 2007-05-29 |
| 7164239 | Discharge lamp ballast circuit | Shigeki Harada, Kikuo Izumi | 2007-01-16 |
| 7023143 | Ballast apparatus and ballasting method of high intensity discharge lamp | Shigeki Harada, Kikuo Izumi, Takahiro Urakabe, Akihiron Suzuki, Takashi Ohsawa | 2006-04-04 |
| 7009828 | Semiconductor switching device | Hiroshi Ito, Akihiro Suzuki | 2006-03-07 |
| 6989653 | Battery power circuit and automobile battery power circuit | Toshiyuki Kikunaga | 2006-01-24 |
| 6975077 | High intensity discharge lamp ballast apparatus | Kikuo Izumi, Shigeki Harada, Takashi Ohsawa | 2005-12-13 |
| 6956305 | Voltage fluctuation compensating apparatus | Akihiro Suzuki, Hiroyuki Sasao, Kenichi Koyama, Toshiyuki Kikunaga, Mitsugu Takahasi | 2005-10-18 |
| 6836262 | Method of driving plasma display panel, plasma display device and driving device for plasma display panel | Takashi Hashimoto, Takahiro Urakabe, Yoshikazu Tsunoda, Takayoshi Nagai | 2004-12-28 |
| 6812592 | Voltage fluctuation compensating apparatus | Akihiro Suzuki, Hiroyuki Sasao, Kenichi Koyama, Toshiyuki Kikunaga, Mitsugu Takahashi | 2004-11-02 |
| 6806434 | Electric discharge machine with output power control | Akihiro Suzuki, Takashi Hashimoto, Yoshikazu Tsunoda, Hideaki Hayashi, Atsushi Taneda | 2004-10-19 |
| 6785108 | Semiconductor equipment | Hiroshi Nakatake, Toshiyuki Kikunaga | 2004-08-31 |
| 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 |
| 6483250 | Method of driving plasma display panel, plasma display device and driving device for plasma display panel | Takashi Hashimoto, Takahiro Urakabe, Yoshikazu Tsunoda, Takayoshi Nagai | 2002-11-19 |
| 6476568 | Gas discharge lamp lighting device | Takahiro Urakabe, Hidehiko Kinoshita | 2002-11-05 |
| 6400344 | Device and method for driving address electrode of surface discharge type plasma display panel | Yoshikazu Tsunoda, Takahiro Urakabe, Takashi Hashimoto, Jun Someya, Takahito Nakanishi | 2002-06-04 |
| 6369781 | Method of driving plasma display panel | Takashi Hashimoto | 2002-04-09 |
| 6304475 | Switching power supply for gas laser | Junichi Nishimae, Masaaki Tanaka, Takashi Kumagai, Masato Matsubara | 2001-10-16 |