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Inventor: Yamada; Naoshi
Address: Tokyo, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7554173 |
Semiconductor device |
June 30, 2009 |
| A semiconductor device accurately monitoring temperature of a semiconductor chip even in a noisy environment, while not requiring a highly accurate detection circuit. A PTC element is bonded onto an IGBT chip. Then, a constant current flows from a constant current source through the |
| 6297445 |
Communication line |
October 2, 2001 |
| A communication line is disclosed which is able to reduce the difference in the signal propagation time between the wires of the twisted pair. A communication line of the present invention is achieved by cutting and exchanging a pair of wires at the middle point or plural points in the |
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