Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902464 | Heat sink arrangement for electrical apparatus | Kenzo Danjo, Hideo Ishii, Shuji Yokoyama | 2011-03-08 |
| 7579554 | Heat sink arrangement for electrical apparatus | Kenzo Danjo, Hideo Isii, Shuji Yokoyama | 2009-08-25 |
| 7339807 | Power supply apparatus | Tetsuro Ikeda, Kenzo Danjo, Takeshi Morimoto, Hideo Ishii | 2008-03-04 |
| 7315450 | Heat-generating component cooling structure | Hideo Ishii, Kazunori Nakata, Yuji Ikejiri | 2008-01-01 |
| 7300293 | Attachment for preventing cover from falling off | Shuji Yokoyama, Yoshimasa Kawashima | 2007-11-27 |
| 7256994 | Power supply apparatus | Hideo Ishii, Kazunori Nakata, Takeshi Morimoto, Yuji Ikejiri | 2007-08-14 |
| 6825441 | Power supply apparatus | Kenzo Danjo, Takeshi Morimoto, Hideo Ishii | 2004-11-30 |
| 6797922 | Power supply apparatus for welder | Kenzo Danjo, Takeshi Morimoto, Hideo Ishii | 2004-09-28 |
| 6774757 | Coil | Toshikazu Fujiyoshi, Tetsuro Ikeda, Kenji Morimoto, Hideo Ishii | 2004-08-10 |
| 6665183 | Power supply apparatus | Kunio Shikata, Yoshimasa Kawashima, Hideo Ishii | 2003-12-16 |
| 6636140 | High-frequency large current handling transformer | Toshikazu Fujiyoshi, Tetsuro Ikeda, Kenji Morimoto, Hideo Ishii | 2003-10-21 |
| D474738 | Power supply apparatus | Hideo Ishii, Yoshimasa Kawashima | 2003-05-20 |
| 6483687 | Power supply apparatus | Toru Arai, Haruo Moriguchi | 2002-11-19 |
| 6433664 | Coil | Hideo Ishii, Toshikazu Fujiyoshi | 2002-08-13 |
| 6057524 | Plasma arc utilizing apparatus | Shuji Yokoyama, Masako Ikeda, Yumi Sato | 2000-05-02 |
| 6051806 | Power supply apparatus for welders and method of manufacturing same | Kunio Shikata, Masayuki Ono, Haruo Moriguchi, Tetsuro Ikeda, Kenzo Danjo +3 more | 2000-04-18 |
| 5943220 | Waterproofed power supply apparatus | Kunio Shikata, Toru Arai, Shigeru Okamoto, Kenzo Danjo | 1999-08-24 |
| 5831240 | Power supply apparatus | Toru Arai, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka | 1998-11-03 |
| 5757638 | Power supply apparatus | Toru Arai, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka | 1998-05-26 |
| 5726416 | Air plasma arc cutter | Toshihide Tokuda, Takashi Hashimoto, Kunio Karino | 1998-03-10 |
| D386148 | Portable power supply unit with AC-DC converter | Toru Arai, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka | 1997-11-11 |
| D377335 | Portable power supply unit with AC-DC converter | Toru Arai, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka | 1997-01-14 |
| 5424915 | Cooling structure for power supply device | Yoshimasa Kawashima, Makoto Sakurada, Atsushi Makitani | 1995-06-13 |
| 4214356 | Artificial porcelain tooth manufacturing | Susumu Takenaka, Hideo Ishii | 1980-07-29 |