Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285457 | Heterojunction bipolar transistor and manufacturing method thereof | Hidenori Takeda | 2007-10-23 |
| 7202515 | Heterojunction bipolar transistor and manufacturing method thereof | Hidenori Takeda | 2007-04-10 |
| 7012285 | Semiconductor device | Tadayoshi Nakatsuka, Takahiro Kitazawa, Akiyoshi Tamura, Katsuyoshi Tara | 2006-03-14 |
| 5196370 | Method of manufacturing an arsenic-including compound semiconductor device | Katsushi Tara, Kaname Motoyoshi, Hidetaka HASHIMOTO, Shotaro Umebachi, Susumu Koike | 1993-03-23 |