Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270462 | Adaptive equalizer circuit | Hisakatsu Yamaguchi, Shunichiro Masaki, Hideki Ishida | 2012-09-18 |
| 8065553 | Phase interpolator for a timing signal generating circuit | Hirotaka Tamura, Hisakatsu Yamaguchi, Shigetoshi Wakayama, Junji Ogawa | 2011-11-22 |
| 7496781 | Timing signal generating circuit with a master circuit and slave circuits | Hirotaka Tamura, Hisakatsu Yamaguchi, Shigetoshi Wakayama, Junji Ogawa | 2009-02-24 |
| 7154918 | Multiplexer circuit for converting parallel data into serial data at high speed and synchronized with a clock signal | Hideki Takauchi | 2006-12-26 |
| 7116744 | Clock recovery circuit and receiver circuit for improving the error rate of signal reproduction | Takuya Saze, Hirotaka Tamura, Takaya Chiba, Hideki Ishida | 2006-10-03 |
| 6931344 | Test circuit and semiconductor integrated circuit effectively carrying out verification of connection of nodes | Koji Aoyagi, Kazuhiro Terashima, Shigeru Nishio | 2005-08-16 |
| 6707727 | Timing signal generator for correctly transmitting a signal at high speed without waveform distortion | Hirotaka Tamura, Hideki Takauchi, Tsz-shing Cheung | 2004-03-16 |
| 6493394 | SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING SIGNALS BETWEEN LSI CHIPS, RECEIVER CIRCUIT FOR USE IN THE SIGNAL TRANSMISSION SYSTEM, AND SEMICONDUCTOR MEMORY DEVICE APPLYING THE SIGNAL TRANSMISSION SYSTEM | Hirotaka Tamura, Miyoshi Saito, Shigetoshi Wakayama, Junji Ogawa, Hisakatsu Araki +1 more | 2002-12-10 |
| 6484268 | Signal transmission system having a timing adjustment circuit | Hirotaka Tamura, Hisakatsu Araki, Shigetoshi Wakayama, Junji Ogawa | 2002-11-19 |
| 6400616 | Method of an apparatus for correctly transmitting signals at high speed without waveform distortion | Hirotaka Tamura, Hideki Takauchi, Tsz-shing Cheung | 2002-06-04 |
| 6377638 | SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING SIGNALS BETWEEN LSI CHIPS, RECEIVER CIRCUIT FOR USE IN THE SIGNAL TRANSMISSION SYSTEM, AND SEMICONDUCTOR MEMORY DEVICE APPLYING THE SIGNAL TRANSMISSION SYSTEM | Hirotaka Tamura, Miyoshi Saito, Shigetoshi Wakayama, Junji Ogawa, Hisakatsu Araki +1 more | 2002-04-23 |
| 6333883 | Destructive read type memory circuit, restoring circuit for the same and sense amplifier | Shigetoshi Wakayama, Miyoshi Saito, Junji Ogawa | 2001-12-25 |
| 6247138 | Timing signal generating circuit, semiconductor integrated circuit device and semiconductor integrated circuit system to which the timing signal generating circuit is applied, and signal transmission system | Hirotaka Tamura, Hisakatsu Araki, Shigetoshi Wakayama, Junji Ogawa | 2001-06-12 |
| 6205076 | Destructive read type memory circuit, restoring circuit for the same and sense amplifier | Shigetoshi Wakayama, Miyoshi Saito, Junji Ogawa | 2001-03-20 |
| 6166971 | Method of and apparatus for correctly transmitting signals at high speed without waveform distortion | Hirotaka Tamura, Hideki Takauchi, Tsz-shing Cheung | 2000-12-26 |
| 6157688 | Signal transmission system for transmitting signals between LSI chips, receiver circuit for use in the signal transmission system, and semiconductor memory device applying the signal transmission system | Hirotaka Tamura, Miyoshi Saito, Shigetoshi Wakayama, Junji Ogawa, Hisakatsu Araki +1 more | 2000-12-05 |
| 6064244 | Phase-locked loop circuit permitting reduction of circuit size | Shigetoshi Wakayama, Miyoshi Saito, Junji Ogawa, Hirotaka Tamura | 2000-05-16 |
| 5703819 | Sense amplifier driving circuit | — | 1997-12-30 |
| 5623439 | Ferroelectric memory device | Hirotaka Tamura, Akira Yoshida | 1997-04-22 |
| 5467015 | Superconducting magnetometer having increased bias current tolerance and producing digital output | — | 1995-11-14 |
| 5424641 | SQUID fluxmeter having a pulse mulliplication circuit number for accurately measuring large rates of change in flux | — | 1995-06-13 |
| 5287057 | Superconducting circuit having a rectifier for converting a bipolar signal to a unipolar signal | — | 1994-02-15 |
| 5173620 | Device for eliminating trap of magnetic flux in a superconduction circuit | Norio Fujimaki | 1992-12-22 |