Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8664566 | Arc welding apparatus and method | Hideo Ishii, Tetsuro Ikeda, Atsushi Kinoshita | 2014-03-04 |
| 7902464 | Heat sink arrangement for electrical apparatus | Hideo Ishii, Masao Katooka, Shuji Yokoyama | 2011-03-08 |
| 7808186 | Power supply apparatus for arc-generating load | Takashi Tsujii, Hiroki Morimoto | 2010-10-05 |
| 7786682 | Discharge lamp lighting control method, computer program, discharge lamp lighting control apparatus, and power supply circuit | Tetsuro Ikeda, Hiroki Morimoto | 2010-08-31 |
| 7599197 | Power supply apparatus | Hideo Ishii, Tetsuro Ikeda | 2009-10-06 |
| 7579554 | Heat sink arrangement for electrical apparatus | Hideo Isii, Masao Katooka, Shuji Yokoyama | 2009-08-25 |
| 7528345 | Power supply apparatus for welder | Takeshi Morimoto, Tetsuro Ikeda, Hideo Ishii | 2009-05-05 |
| 7457139 | Power supply apparatus for arc-utilizing apparatuses | Hideo Isii, Tetsuro Ikeda, Yuji Ikejiri | 2008-11-25 |
| 7388171 | Power supply apparatus for welder | Takeshi Morimoto, Yuji Ikejiri, Tetsuro Ikeda, Hideo Ishii | 2008-06-17 |
| 7339807 | Power supply apparatus | Masao Katooka, Tetsuro Ikeda, Takeshi Morimoto, Hideo Ishii | 2008-03-04 |
| 7109438 | Power supply apparatus for arc-utilizing apparatus | Hideo Ishii, Tetsuro Ikeda, Yuji Ikejiri | 2006-09-19 |
| 7075032 | Power supply apparatus | Kunio Karino, Toshikazu Fujiyoshi, Hideo Ishii | 2006-07-11 |
| 6825441 | Power supply apparatus | Masao Katooka, Takeshi Morimoto, Hideo Ishii | 2004-11-30 |
| 6819061 | Power supply apparatus for light source | Takashi Tsujii, Masataka Nishimura | 2004-11-16 |
| 6797922 | Power supply apparatus for welder | Masao Katooka, Takeshi Morimoto, Hideo Ishii | 2004-09-28 |
| 6515882 | Power supply apparatus for lamp | Haruo Moriguchi, Takashi Tsujii, Masataka Nishimura | 2003-02-04 |
| 6188585 | DC power supply apparatus | Tetsuro Ikeda, Yuji Ikejiri | 2001-02-13 |
| 6181576 | Power supply apparatus for arc-utilizing apparatuses | Tetsuro Ikeda, Takamitsu Imahori | 2001-01-30 |
| 6054674 | DC power supply apparatus for arc-utilizing apparatuses | Haruo Moriguchi, Tetsuro Ikeda, Toshikazu Fujiyoshi, Kunio Karino, Hideo Ishii | 2000-04-25 |
| 6051806 | Power supply apparatus for welders and method of manufacturing same | Kunio Shikata, Masayuki Ono, Masao Katooka, Haruo Moriguchi, Tetsuro Ikeda +3 more | 2000-04-18 |
| 5943220 | Waterproofed power supply apparatus | Kunio Shikata, Masao Katooka, Toru Arai, Shigeru Okamoto | 1999-08-24 |
| 5942139 | Consumable electrode DC arc welder | Haruo Moriguchi, Shigeru Okamoto, Atsushi Kinoshita | 1999-08-24 |
| 5917711 | DC power supply apparatus | Kunio Shikata, Haruo Moriguchi, Tetsuro Ikeda, Takeshi Omura, Hideo Ishii | 1999-06-29 |
| 5877952 | Power supply apparatus with initial arcing sustaining circuit | Haruo Moriguchi, Shigeru Okamoto, Atsushi Kinoshita, Takashi Hashimoto | 1999-03-02 |
| 5864110 | Power supply apparatus for plasma arc utilizing equipment | Haruo Moriguchi, Takashi Hashimoto | 1999-01-26 |