Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937117 | High-frequency device | Yoshiaki Terashima, Fumihiko Aiga, Mutsuki Yamazaki, Hiroyuki Fuke, Hiroyuki Kayano | 2005-08-30 |
| 6778042 | High-frequency device | Yoshiaki Terashima, Fumihiko Aiga, Mutsuki Yamazaki, Hiroyuki Fuke, Hiroyuki Kayano | 2004-08-17 |
| 6333516 | Quantum effect device | Tetsufumi Tanamoto, Francis Minoru Saba, Yujiro Naruse, Shigeki Takahashi, Masao Mashita | 2001-12-25 |
| 6060743 | Semiconductor memory device having multilayer group IV nanocrystal quantum dot floating gate and method of manufacturing the same | Naoharu Sugiyama, Tsutomu Tezuka, Atsushi Kurobe, Tetsufumi Tanamoto | 2000-05-09 |
| 5844279 | Single-electron semiconductor device | Tetsufumi Tanamoto | 1998-12-01 |
| 5710436 | Quantum effect device | Tetsufumi Tanamoto, Li Zhang, Tadashi Sakai, Shigeki Takahashi, Taketoshi Suzuki | 1998-01-20 |
| 5670790 | Electronic device | Tetsufumi Tanamoto, Shigeki Takahashi | 1997-09-23 |
| 5336909 | Bipolar transistor with an improved collector structure | Kunio Tsuda | 1994-08-09 |
| 5177583 | Heterojunction bipolar transistor | Takahiko Endo | 1993-01-05 |
| 5041882 | Heterojunction bipolar transistor | — | 1991-08-20 |
| 5010382 | Heterojunction bipolar transistor having double hetero structure | — | 1991-04-23 |
| 4933732 | Heterojunction bipolar transistor | Mamoru Kurata, Kouhei Morizuka | 1990-06-12 |