Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009426 | Data transmission/reception system | Yusuke Tokunaga, Yasuyuki Doi, Hirofumi Nakagawa, Yoshito Date, Tetsuro Ohmori +1 more | 2006-03-07 |
| 6995607 | Low-pass filter and feedback system | Takashi Morie, Kazuaki Sogawa | 2006-02-07 |
| 6982581 | Duty cycle correction circuit | Naoshi Yanagisawa, Masaomi Toyama, Keijiro Umehara | 2006-01-03 |
| 6970313 | Write compensation circuit and signal interpolation circuit of recording device | Hirokuni Fujiyama, Hiroyuki Nakahira, Akira Yamamoto, Hiroki Mouri | 2005-11-29 |
| 6970521 | Circuit and system for extracting data | — | 2005-11-29 |
| 6825712 | Filter circuit, front end of communication system including the filter circuit, and communication device including the same | Takashi Morie, Hitoshi Kobayashi, Norihide Kinugasa, Masaomi Toyama | 2004-11-30 |
| 6603219 | Semiconductor integrated circuit | Masaomi Toyama, Naoshi Yanagisawa | 2003-08-05 |
| 6559895 | Analog memory and image processing system for reducing fixed pattern noise | Naoshi Yanagisawa, Masayuki Ozasa, Hidehiko Kurimoto, Tatsuo Okamoto | 2003-05-06 |
| 6556073 | Transconductor and filter circuit | Takashi Morie | 2003-04-29 |
| 6552402 | Composite MOS transistor device | Masayuki Ozasa, Tatsuo Okamoto, Hidehiko Kurimoto, Kazuhiko Nagaoka | 2003-04-22 |
| 6528982 | Jitter detector, phase difference detector and jitter detecting method | Naoshi Yanagisawa, Kazuhiko Nishikawa, Seiji Watanabe, Takahiro Bokui | 2003-03-04 |
| 6472932 | Transconductor and filter circuit | Takashi Morie | 2002-10-29 |
| 6466273 | Analog FIFO memory device | Naoshi Yanagisawa | 2002-10-15 |
| 6424184 | FREQUENCY-VOLTAGE CONVERSION CIRCUIT, DELAY AMOUNT JUDGEMENT CIRCUIT, SYSTEM HAVING FREQUENCY-VOLTAGE CONVERSION CIRCUIT, METHOD OF ADJUSTING INPUT/OUTPUT CHARACTERISTICS OF FREQUENCY-VOLTAGE CONVERSION CIRCUIT, AND APPARATUS FOR AUTOMATICALLY ADJUSTING INPUT | Akira Yamamoto, Shiro Sakiyama, Hiroyuki Nakahira, Masaru Fukuda, Akira Matsuzawa +1 more | 2002-07-23 |
| 6407642 | Frequency detector and phase-locked loop circuit including the detector | Naoshi Yanagisawa, Masaomi Toyama | 2002-06-18 |
| 6121826 | Comb filter and method for controlling the same | Naoshi Yanagisawa, Masayuki Ozasa, Hidehiko Kurimoto, Tatsuo Okamoto | 2000-09-19 |
| 5933055 | Operational amplifier operable with high performance even at a low voltage | — | 1999-08-03 |
| 5835552 | Time counting circuit and counter circuit | Keiichi Kusumoto, Yutaka Terada, Akira Matsuzawa | 1998-11-10 |
| 5828717 | Time counting circuit and counter circuit | Keiichi Kusumoto, Yutaka Terada, Akira Matsuzawa | 1998-10-27 |
| 5822236 | Analog FIFO memory and switching device having a reset operation | Hidehiko Kurimoto, Naoshi Yanagisawa | 1998-10-13 |
| 5751142 | Reference voltage supply circuit and voltage feedback circuit | Shiro Sakiyama, Masakatsu Maruyama, Masatoshi Matsushita, Koji Mochizuki | 1998-05-12 |
| 5699064 | Oversampling D/A converter using a bidirectional shift register | Shiro Sakiyama, Masakatsu Maruyama, George Hayashi, Seizo Inagaki, Akira Matsuzawa | 1997-12-16 |
| 5550544 | Signal converter, noise shaper, AD converter and DA converter | Shiro Sakiyama, Masakatsu Maruyama, Hiroyuki Nakahira, Toshiyuki Shono, Akira Matsuzawa | 1996-08-27 |
| 5495296 | Digital signal processing circuit for filtering an image signal vertically | Tatsuro Juri | 1996-02-27 |