Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809034 | Method of etching metallic thin film on thin film resistor | Ichiro Ito, Satoshi Shiraki, Tomio Yamamoto, Makoto Ohkawa, Atsumi Takahashi +3 more | 2004-10-26 |
| 6770564 | Method of etching metallic thin film on thin film resistor | Ichiro Ito, Satoshi Shiraki, Tomio Yamamoto, Makoto Ohkawa, Atsumi Takahashi +3 more | 2004-08-03 |
| 5798550 | Vertical type semiconductor device and gate structure | Akira Kuroyanagi, Masami Yamaoka, Yoshifumi Okabe, Yutaka Tomatsu | 1998-08-25 |
| 5550067 | Method for producing semiconductor device having DMOS and NMOS elements formed in the same substrate | Akira Kuroyanagi, Yutaka Tomatsu | 1996-08-27 |
| 5534454 | Method of producing a semiconductor device having accurate current detection | Akira Kuroyanagi, Toshiaki Nishizawa | 1996-07-09 |
| 5410171 | Vertical type semiconductor with main current section and emulation current section | Akira Kuroyanagi, Toshiaki Nishizawa | 1995-04-25 |