Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490182 | Power conversion apparatus | Shuji Katoh, Hiromitsu Sakai, Shigeta Ueda, Tomomichi Ito | 2002-12-03 |
| 6380796 | Semiconductor power converting apparatus | Hiromitsu Sakai, Shuji Katoh, Ryuji Iyotani, Masahiro Nagasu | 2002-04-30 |
| 6305281 | Stencil printer having controller for discharge tray and master making means | — | 2001-10-23 |
| 6242968 | Semiconductor power converting apparatus | Hiromitsu Sakai, Shuji Katoh, Ryuji Iyotani, Masahiro Nagasu | 2001-06-05 |
| 6123329 | Paper feeder and paper tray elevation device therefor | Mitsuo Sato, Kenji Endo, Naoki Ashikaya, Kiyohiko Yakuwa, Masayuki Shima | 2000-09-26 |
| 5438347 | Master making device for a stencil printer | Kamichika Shishido | 1995-08-01 |
| 5424937 | Gate drive power source for electric power converter | Ryuji Iyotani, Akiteru Ueda, Hiroshi Narita, Mitsuyuki Hombu | 1995-06-13 |
| 4455599 | Pulse width modulation inverter | Kaoru Tamura | 1984-06-19 |