Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366418 | Heat exchanger | Masahiro Ariyama, Takuma Shibata, Satoshi Suzuki, Kenji Wada, Kenji Yamashita | 2025-07-22 |
| 8106677 | Signal transmitting device suited to fast signal transmission | Toshitsugu Takekuma, Akira Yamagiwa | 2012-01-31 |
| 7911224 | Signal transmitting device suited to fast signal transmission | Toshitsugu Takekuma, Akira Yamagiwa | 2011-03-22 |
| 7372292 | Signal transmitting device suited to fast signal transmission | Toshitsugu Takekuma, Akira Yamagiwa | 2008-05-13 |
| 7295034 | Signal transmitting device suited to fast signal transmission | Toshitsuqu Takekuma, Akira Yamagiwa | 2007-11-13 |
| 7123048 | Signal transmitting device suited to fast signal transmission | Toshitsuqu Takekuma, Akira Yamagiwa | 2006-10-17 |
| 7015717 | Signal transmitting device suited to fast signal transmission | Toshitsugu Takekuma, Akira Yamagiwa | 2006-03-21 |
| 6873179 | Signal transmitting device suited to fast signal transmission | Toshitsuqu Takekuma, Akira Yamagiwa | 2005-03-29 |
| 6829574 | Logic emulation module and logic emulation board | Hiroshi Ito, Akira Yamagiwa, Nobuaki EJIMA, Masakazu Sakaue, Yasuhiro Uemura | 2004-12-07 |
| 6768346 | Signal transmission system | Toshitsugu Takekuma, Akira Yamagiwa, Takashi Moriyama | 2004-07-27 |
| RE38379 | Semiconductor memory with alternately multiplexed row and column addressing | Kouji Hara | 2004-01-06 |
| 6580295 | Signal transmission system | Toshitsugu Takekuma, Akira Yamagiwa, Takashi Moriyama | 2003-06-17 |
| 6496886 | Directional coupling bus system using printed board | Hideki Osaka, Toyohiko Komatsu, Masahiro Kitano, Akira Yamagiwa | 2002-12-17 |
| 6441639 | Circuit module connected to a transmission line including arrangement to suppress reflections at a branch point of the transmission line | Toshitsugu Takekuma, Akira Yamagiwa | 2002-08-27 |
| 6420900 | Semiconductor memory | Toshitsugu Takekuma, Akira Yamagiwa | 2002-07-16 |
| 6404239 | Semiconductor integrated circuit device having power reduction mechanism | Takayuki Kawahara, Ryoichi Hori, Masashi Horiguchi, Kiyoo Itoh, Masakazu Aoki +2 more | 2002-06-11 |
| 6266242 | Circuit module and information processing apparatus | Takashi Maruyama, Akira Yamagiwa, Masakazu Sakaue, Yasuhiro Uemura, Mikihiro Tanaka | 2001-07-24 |
| 6211703 | Signal transmission system | Toshitsugu Takekuma, Akira Yamagiwa, Takashi Moriyama | 2001-04-03 |
| 6172517 | Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission | Toshitsugu Takekuma, Akira Yamagiwa | 2001-01-09 |
| 6107836 | Semiconductor integrated circuit device having power reduction mechanism | Takayuki Kawahara, Ryoichi Hori, Masashi Horiguchi, Kiyoo Itoh, Masakazu Aoki +2 more | 2000-08-22 |
| 6069793 | Circuit module and information processing apparatus | Takashi Maruyama, Akira Yamagiwa, Masakazu Sakaue, Yasuhiro Uemura, Mikihiro Tanaka | 2000-05-30 |
| 5880604 | Semiconductor integrated circuit device having power reduction mechanism | Takayuki Kawahara, Ryoichi Hori, Masashi Horiguchi, Kiyoo Itoh, Masakazu Aoki +2 more | 1999-03-09 |
| 5818253 | Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission | Toshitsugu Takekuma, Akira Yamagiwa | 1998-10-06 |
| 5787261 | Data transfer system, computer system and active-line inserted/withdrawn functional circuit board | Hideki Osaka, Akira Yamagiwa, Masao Inoue | 1998-07-28 |
| 5767695 | Fast transmission line implemented with receiver, driver, terminator and IC arrangements | Toshitsugu Takekuma, Akira Yamagiwa, Kenji Kashiwagi, Masao Inoue | 1998-06-16 |