Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809034 | Method of etching metallic thin film on thin film resistor | Ichiro Ito, Tomio Yamamoto, Makoto Ohkawa, Atsumi Takahashi, Yasuaki Tsuzuki +3 more | 2004-10-26 |
| 6770564 | Method of etching metallic thin film on thin film resistor | Ichiro Ito, Tomio Yamamoto, Makoto Ohkawa, Atsumi Takahashi, Yasuaki Tsuzuki +3 more | 2004-08-03 |
| 6768183 | Semiconductor device having bipolar transistors | Shigeki Takahashi, Hiroaki Himi, Hiroyuki Ban, Osamu Seya | 2004-07-27 |