Hitachi Haramachi Electronics Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hitachi Haramachi Electronics Co., Ltd..The latest application filed is for "semiconductor apparatus having improved thermal fatigue life".
- Hitachi Haramachi Electronics Co., Ltd. - JP JP
- Hitachi Haramachi Electronics Co., Ltd. - Hitachi JP
- Hitachi Haramachi Electronics Co., Ltd. - Ibaraki JP
| Patent | Date |
|---|---|
| Semiconductor apparatus having improved thermal fatigue life Grant 7,692,299 - Nakajima , et al. April 6, 2 | 2010-04-06 |
| Circuit board Grant 7,141,741 - Yamada , et al. November 28, 2 | 2006-11-28 |
| Insulated gate bipolar transistor decreasing the gate resistance Grant 6,580,108 - Utsumi , et al. June 17, 2 | 2003-06-17 |
| CMOS circuit Grant 6,198,334 - Tomobe , et al. March 6, 2 | 2001-03-06 |
| Communication control device and a communication system using the same Grant 5,999,999 - Homitsu , et al. December 7, 1 | 1999-12-07 |
| Semiconductor device having power semiconductor elements Grant 5,956,231 - Yamada , et al. September 21, 1 | 1999-09-21 |
| Semiconductor circuit having turn-on prevention capability of switching semiconductor device during off cycle thereof by undesired transient voltages Grant 5,818,281 - Ohura , et al. October 6, 1 | 1998-10-06 |
| Semiconductor device having thermal stress resistance structure Grant 5,621,243 - Baba , et al. April 15, 1 | 1997-04-15 |
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