Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8106677 | Signal transmitting device suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 2012-01-31 |
| 7911224 | Signal transmitting device suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 2011-03-22 |
| 7372292 | Signal transmitting device suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 2008-05-13 |
| 7015717 | Signal transmitting device suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 2006-03-21 |
| 6768346 | Signal transmission system | Akira Yamagiwa, Takashi Moriyama, Ryoichi Kurihara | 2004-07-27 |
| 6580295 | Signal transmission system | Akira Yamagiwa, Takashi Moriyama, Ryoichi Kurihara | 2003-06-17 |
| 6441639 | Circuit module connected to a transmission line including arrangement to suppress reflections at a branch point of the transmission line | Ryoichi Kurihara, Akira Yamagiwa | 2002-08-27 |
| 6420900 | Semiconductor memory | Ryoichi Kurihara, Akira Yamagiwa | 2002-07-16 |
| 6211703 | Signal transmission system | Akira Yamagiwa, Takashi Moriyama, Ryoichi Kurihara | 2001-04-03 |
| 6172517 | Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 2001-01-09 |
| 6125419 | Bus system, printed circuit board, signal transmission line, series circuit and memory module | Masaya Umemura, Hideki Osaka | 2000-09-26 |
| 6088829 | Synchronous data transfer system | Masaya Umemura | 2000-07-11 |
| 6034878 | Source-clock-synchronized memory system and memory unit | Hideki Osaka, Masaya Umemura, Akira Yamagiwa | 2000-03-07 |
| 5933623 | Synchronous data transfer system | Masaya Umemura | 1999-08-03 |
| 5872471 | Simultaneous bidirectional transmission circuit | Kenichi Ishibashi, Takehisa Hayashi, Tsutomu Goto, Akira Yamagiwa, Toshiro Takahashi +1 more | 1999-02-16 |
| 5818253 | Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 1998-10-06 |
| 5767695 | Fast transmission line implemented with receiver, driver, terminator and IC arrangements | Ryoichi Kurihara, Akira Yamagiwa, Kenji Kashiwagi, Masao Inoue | 1998-06-16 |
| 5736277 | Method of making mask pattern data and process for manufacturing the mask | Toshio Suzuki, Hidetoshi Iwai, Masamichi Ishihara | 1998-04-07 |
| 5677092 | Process for fabricating phase shift mask and process of semiconductor integrated circuit device | Haruo Ii, Kazuya Ito | 1997-10-14 |
| 5668834 | Signal transmitting device suitable for fast signal transmission including an arrangement to reduce signal amplitude in a second stage transmission line | Akira Yamagiwa, Ryoichi Kurihara | 1997-09-16 |
| 5634042 | Data transfer apparatus that compensates for differential signal delays | Kenji Kashiwagi, Sigeru Kaneko | 1997-05-27 |
| 5627481 | Fast transmission line implemented with receiver, driver, terminator and IC arrangements | Ryoichi Kurihara, Akira Yamagiwa | 1997-05-06 |
| 5568063 | Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission | Ryoichi Kurihara, Akira Yamagiwa | 1996-10-22 |
| 5565285 | Method of making mask pattern data and process for manufacturing the mask | Toshio Suzuki, Hidetoshi Iwai, Masamichi Ishihara | 1996-10-15 |
| 5564033 | Disk array system using detachable memory medium | Shozo Satake, Asayoshi Kawashita | 1996-10-08 |