Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845001 | Electromagnetic contactor | — | 2005-01-18 |
| 6769962 | Scraping method | Hisao Tanaka, Akaru Usui | 2004-08-03 |
| 6755572 | Antifriction bearing | — | 2004-06-29 |
| 6566823 | Discharge pulse generator | Takashi Yuzawa, Hajime Ogawa | 2003-05-20 |
| 6259714 | Power source control apparatus for laser diode | — | 2001-07-10 |
| 6222862 | Control method of exciting a pulse laser and power supply unit for exciting a pulse laser | Shinji Sato | 2001-04-24 |
| 6137816 | Power source control apparatus for laser diode | — | 2000-10-24 |
| 6069335 | Electric discharge machine | — | 2000-05-30 |
| 5864213 | Electric discharge machine | — | 1999-01-26 |
| 5684668 | Magnetic contactor having phase angle adjuster | Naoki Muramatsu | 1997-11-04 |
| 5539178 | Method and apparatus for controlling the power supply for electrical discharge machine | Atsushi Taneda, Hajime Ogawa, Kazuhiko Uemoto | 1996-07-23 |
| 5374798 | Electric power-source apparatus for discharge processing machine | — | 1994-12-20 |
| 5260607 | Snubber circuit for power converter | — | 1993-11-09 |
| 5083001 | Waveform control device for electrical discharge machining apparatus | Morihisa Nishikawa, Yoshio Ozaki | 1992-01-21 |
| 4594650 | Inverter device | — | 1986-06-10 |