Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8873259 | DC-DC converter including regeneration snubber circuit | Hajime Katsushima, Kenji Morimoto, Satoshi Yamamura | 2014-10-28 |
| 8400799 | Inverter circuit with controller for controlling switching elements based on a magnitude of output power | Hajime Katsushima, Kenji Morimoto, Satoshi Yamamura | 2013-03-19 |
| 8363432 | DC-DC converter circuit | Hajime Katsushima, Kenji Morimoto, Hajime Yamamoto, Satoshi Yamamura | 2013-01-29 |
| 8107265 | Current balanced push-pull inverter circuit with regeneration snubber circuit and voltage boost section | Hajime Katsushima, Kenji Morimoto, Satoshi Yamamura | 2012-01-31 |
| 8094469 | Current balanced push-pull inverter circuit | Hajime Katsushima, Kenji Morimoto, Satoshi Yamamura | 2012-01-10 |
| 8094470 | Current balanced push-pull inverter circuit with snubber and discharge circuitry | Hajime Katsushima, Kenji Morimoto, Satoshi Yamamura | 2012-01-10 |
| 7075032 | Power supply apparatus | Kunio Karino, Kenzo Danjo, Hideo Ishii | 2006-07-11 |
| 6914788 | Power supply apparatus | Kenji Morimoto, Satoshi Hamada | 2005-07-05 |
| 6774757 | Coil | Masao Katooka, Tetsuro Ikeda, Kenji Morimoto, Hideo Ishii | 2004-08-10 |
| 6636140 | High-frequency large current handling transformer | Masao Katooka, Tetsuro Ikeda, Kenji Morimoto, Hideo Ishii | 2003-10-21 |
| 6433664 | Coil | Hideo Ishii, Masao Katooka | 2002-08-13 |
| 6069811 | DC power supply apparatus | Haruo Moriguchi, Toru Arai, Tetsuro Ikeda, Masayuki Ono, Hideo Ishii | 2000-05-30 |
| 6054674 | DC power supply apparatus for arc-utilizing apparatuses | Haruo Moriguchi, Tetsuro Ikeda, Kenzo Danjo, Kunio Karino, Hideo Ishii | 2000-04-25 |
| 6023416 | DC power supply apparatus including boosting/lowering converter unit and control | Kunio Shikata, Toru Arai, Takeshi Omura | 2000-02-08 |
| 5930122 | Inverter and DC power supply apparatus with inverter used therein | Haruo Moriguchi, Toru Arai, Masayuki Ono, Satoshi Hamada, Hideo Ishii | 1999-07-27 |
| 5926381 | DC power supply apparatus | Haruo Moriguchi, Toru Arai, Masayuki Ono, Satoshi Hamada, Hideo Ishii | 1999-07-20 |
| 5760372 | Arc welder | Kunio Karino, Haruo Moriguchi, Shigeru Okamoto, Kenzo Danjo, Atushi Kinoshita | 1998-06-02 |
| 5643475 | Power supply apparatus | Kunio Karino, Haruo Moriguchi, Atsushi Kinoshita, Takashi Hashimoto | 1997-07-01 |
| 5630952 | Plasma-arc power supply apparatus | Kunio Karino, Haruo Moriguchi, Atsushi Kinoshita, Takashi Hashimoto | 1997-05-20 |
| 5457300 | Consumable electrode DC arc welder | Kunio Karino, Haruo Moriguchi, Kenzo Danjo, Atsushi Kinoshita | 1995-10-10 |
| 5343017 | Arc welder with timed control of arcing recovery and means for reducing weight, size, and power loss in the welder | Kunio Karino, Kenzo Danjo, Atsushi Kinoshita, Haruo Moriguchi | 1994-08-30 |
| 5310992 | Arc welder | Kunio Karino, Haruo Moriguchi, Tetsurou Ikeda, Kenzo Danjo, Masahiro Aoyama | 1994-05-10 |
| 5306894 | Consumable electrode type D.C. arc welder | Haruo Moriguchi, Tetsurou Ikeda, Kenzo Danjo, Masahiro Aoyama, Kunio Karino | 1994-04-26 |
| 5272313 | Arc welder | Kunio Karino, Haruo Moriguchi, Tetsurou Ikeda, Kenzo Danjo, Masahiro Aoyama | 1993-12-21 |