Fujiyoshi; Toshikazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fujiyoshi; Toshikazu.The latest application filed is for "dc-dc converter circuit".
- Fujiyoshi; Toshikazu - Osaka N/A JP
- Fujiyoshi, Toshikazu - Osaka-shi JP
- Fujiyoshi; Toshikazu - Kawanishi JP
- Fujiyoshi, Toshikazu - Kawanishi-shi JP
| Patent | Date |
|---|---|
| DC-DC converter including regeneration snubber circuit Grant 8,873,259 - Fujiyoshi , et al. October 28, 2 | 2014-10-28 |
| Inverter circuit with controller for controlling switching elements based on a magnitude of output power Grant 8,400,799 - Fujiyoshi , et al. March 19, 2 | 2013-03-19 |
| DC-DC converter circuit Grant 8,363,432 - Katsushima , et al. January 29, 2 | 2013-01-29 |
| Dc-dc Converter Circuit App 20120243263 - Katsushima; Hajime ; et al. | 2012-09-27 |
| Current balanced push-pull inverter circuit with regeneration snubber circuit and voltage boost section Grant 8,107,265 - Fujiyoshi , et al. January 31, 2 | 2012-01-31 |
| Current balanced push-pull inverter circuit with snubber and discharge circuitry Grant 8,094,470 - Fujiyoshi , et al. January 10, 2 | 2012-01-10 |
| Current balanced push-pull inverter circuit Grant 8,094,469 - Fujiyoshi , et al. January 10, 2 | 2012-01-10 |
| Inverter Circuit App 20110280054 - Fujiyoshi; Toshikazu ; et al. | 2011-11-17 |
| Dc-dc Converter Circuit App 20110280048 - Fujiyoshi; Toshikazu ; et al. | 2011-11-17 |
| Inverter Circuit App 20110216557 - Fujiyoshi; Toshikazu ; et al. | 2011-09-08 |
| Inverter Circuit App 20110058395 - Fujiyoshi; Toshikazu ; et al. | 2011-03-10 |
| Dc-dc Converter Circuit App 20110049989 - Fujiyoshi; Toshikazu ; et al. | 2011-03-03 |
| Power supply apparatus Grant 7,075,032 - Karino , et al. July 11, 2 | 2006-07-11 |
| Power supply apparatus Grant 6,914,788 - Fujiyoshi , et al. July 5, 2 | 2005-07-05 |
| Power supply apparatus App 20050109749 - Karino, Kunio ; et al. | 2005-05-26 |
| Power supply apparatus App 20040174725 - Fujiyoshi, Toshikazu ; et al. | 2004-09-09 |
| Coil Grant 6,774,757 - Fujiyoshi , et al. August 10, 2 | 2004-08-10 |
| Coil App 20030222751 - Fujiyoshi, Toshikazu ; et al. | 2003-12-04 |
| High-frequency large current handling transformer Grant 6,636,140 - Fujiyoshi , et al. October 21, 2 | 2003-10-21 |
| Coil Grant 6,433,664 - Ishii , et al. August 13, 2 | 2002-08-13 |
| High-frequency large current handling transformer App 20020070836 - Fujiyoshi, Toshikazu ; et al. | 2002-06-13 |
| DC power supply apparatus Grant 6,069,811 - Moriguchi , et al. May 30, 2 | 2000-05-30 |
| DC power supply apparatus for arc-utilizing apparatuses Grant 6,054,674 - Moriguchi , et al. April 25, 2 | 2000-04-25 |
| DC power supply apparatus including boosting/lowering converter unit and control Grant 6,023,416 - Shikata , et al. February 8, 2 | 2000-02-08 |
| Inverter and DC power supply apparatus with inverter used therein Grant 5,930,122 - Moriguchi , et al. July 27, 1 | 1999-07-27 |
| DC power supply apparatus Grant 5,926,381 - Moriguchi , et al. July 20, 1 | 1999-07-20 |
| Arc welder Grant 5,760,372 - Karino , et al. June 2, 1 | 1998-06-02 |
| Plasma-arc power supply apparatus Grant 5,630,952 - Karino , et al. May 20, 1 | 1997-05-20 |
| Arc welder with timed control of arcing recovery and means for reducing weight, size, and power loss in the welder Grant 5,343,017 - Karino , et al. August 30, 1 | 1994-08-30 |
| Arc welder Grant 5,310,992 - Karino , et al. May 10, 1 | 1994-05-10 |
| Arc welder Grant 5,272,313 - Karino , et al. December 21, 1 | 1993-12-21 |
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