Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12095348 | Current sensor and power conversion circuit | Takeaki Yajima | 2024-09-17 |
| 11157805 | Neuron circuit, system, and switch circuit | Takeaki Yajima | 2021-10-26 |
| 10748776 | Semiconductor device including contact structure | Tomonori Nishimura | 2020-08-18 |
| 10109710 | Semiconductor device having germanium layer as channel region and method for manufacturing the same | Choong-Hyun Lee, Tomonori Nishimura | 2018-10-23 |
| 9722026 | Semiconductor structure in which film including germanium oxide is provided on germanium layer, and method for manufacturing semiconductor structure | Toshiyuki Tabata, Choong-Hyun Lee, Tomonori Nishimura, Cimang LU | 2017-08-01 |
| 9691620 | Semiconductor structure having film including germanium oxide on germanium layer and method of fabricating the same | Choong-Hyun Lee | 2017-06-27 |
| 9647074 | Semiconductor-substrate manufacturing method and semiconductor-device manufacturing method in which germanium layer is heat-treated | Choong-Hyun Lee, Tomonori Nishimura | 2017-05-09 |
| 9306026 | Semiconductor structure having aluminum oxynitride film on germanium layer and method of fabricating the same | Toshiyuki Tabata | 2016-04-05 |
| 8063452 | Semiconductor device and method for manufacturing the same | Koji Kita, Kazuyuki Tomida, Yoshiki Yamamoto | 2011-11-22 |
| 7671426 | Metal insulator semiconductor transistor using a gate insulator including a high dielectric constant film | Nobuyuki Mise | 2010-03-02 |
| 7507632 | Semiconductor device and manufacturing method thereof | Nobuyuki Mise | 2009-03-24 |
| 7397094 | Semiconductor device and manufacturing method thereof | Toshihide Nabatame, Tsuyoshi Horikawa, Kunihiko Iwamoto, Koji Tominaga | 2008-07-08 |
| 7102203 | Semiconductor device including field-effect transistor | Hideaki Fujiwara | 2006-09-05 |
| 6690030 | Semiconductor device with negative differential resistance characteristics | Junji Koga, Ken Uchida, Ryuji Ohba | 2004-02-10 |
| 6642575 | MOS transistor with vertical columnar structure | Mizuki Ono | 2003-11-04 |
| 6320220 | Quantum tunneling effect device and semiconductor composite substrate | Hiroshi Watanabe, Naoki Yasuda, Tomoharu Tanaka, Toru Tanzawa | 2001-11-20 |
| 6208002 | Field effect transistor and manufacturing method thereof | Hideki Satake | 2001-03-27 |
| 6191463 | Apparatus and method of improving an insulating film on a semiconductor device | Yuichiro Mitani, Hideki Satake | 2001-02-20 |
| 6111288 | Quantum tunneling effect device and semiconductor composite substrate | Hiroshi Watanabe, Naoki Yasuda, Tomoharu Tanaka, Toru Tanzawa | 2000-08-29 |
| 6060748 | Semiconductor integrated circuit device using a silicon-on-insulator substrate | Ken Uchida, Akiko Ohata, Junji Koga | 2000-05-09 |
| 5963471 | Semiconductor device | Akiko Ohata | 1999-10-05 |
| 5754077 | Semiconductor integrated circuit having plural functional blocks, wherein one of the blocks comprises a small tunnel junction device and another block comprises a FET | Akiko Ohata | 1998-05-19 |
| 5679961 | Correlation tunnel device | Hitoshi Higurashi, Fumiko Yamaguchi, Kiyoshi Kawamura, Alfred W. Hübler | 1997-10-21 |
| 5463234 | High-speed semiconductor gain memory cell with minimal area occupancy | Naoyuki Shigyo, Tetsunori Wada, Hiroyoshi Tanimoto, Kazuya Ohuchi, Makoto Yoshimi | 1995-10-31 |