Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8229047 | Complex signal processing circuit, receiver circuit, and signal reproduction device | Kouichi Nagano, Takashi Yamamoto | 2012-07-24 |
| 7523154 | Write compensation circuit and signal interpolation circuit of recording device | Hirokuni Fujiyama, Shiro Dosho, Akira Yamamoto, Hiroki Mouri | 2009-04-21 |
| 7321620 | Equalizer and reproduction signal processing device | Koichi Nagano, Koji Okamoto, Akira Yamamoto | 2008-01-22 |
| 7215623 | Reproduction signal processing apparatus | Takashi Morie | 2007-05-08 |
| 7068584 | Signal processor | Hiroki Mouri, Akira Yamamoto | 2006-06-27 |
| 6970313 | Write compensation circuit and signal interpolation circuit of recording device | Hirokuni Fujiyama, Shiro Dosho, Akira Yamamoto, Hiroki Mouri | 2005-11-29 |
| 6778483 | Multilevel record modulator and demodulator | Hiroki Mouri, Takashi Yamamoto, Akira Yamamoto | 2004-08-17 |
| 6745218 | Adaptive digital filter | Akira Yamamoto, Hirokuni Fujiyama, Hiroki Mouri | 2004-06-01 |
| 6684378 | Method for designing power supply circuit and semiconductor chip | Akira Yamamoto, Shirou Sakiyama, Masayoshi Kinoshita, Katsuji Satomi, Jun Kajiwara +1 more | 2004-01-27 |
| 6460168 | Method of designing power supply circuit and semiconductor chip | Akira Yamamoto, Shirou Sakiyama, Masayoshi Kinoshita, Katsuji Satomi, Jun Kajiwara +1 more | 2002-10-01 |
| 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, Masaru Fukuda, Akira Matsuzawa, Shiro Dosho +1 more | 2002-07-23 |
| 6067536 | Neural network for voice and pattern recognition | Masakatsu Maruyama, Masaru Fukuda, Shiro Sakiyama | 2000-05-23 |
| 5636327 | Neural network circuit | Shiro Sakiyama, Masakatsu Maruyama, Susumu Maruno | 1997-06-03 |
| 5621862 | Information processing apparatus for implementing neural network | Masakatsu Maruyama, Shiro Sakiyama, Susumu Maruno, Toshiyuki Kouda, Masaru Fukuda | 1997-04-15 |
| 5550544 | Signal converter, noise shaper, AD converter and DA converter | Shiro Sakiyama, Shiro Dosho, Masakatsu Maruyama, Toshiyuki Shono, Akira Matsuzawa | 1996-08-27 |
| 5452402 | Neural network circuit for adaptively controlling the coupling of neurons | Shiro Sakiyama, Masakatsu Maruyama, Toshiyuki Kouda, Susumu Maruno | 1995-09-19 |
| 5136662 | Image processor for sequential processing of successive regions of an image | Masakatsu Maruyama, Shiro Sakiyama, Yoshitaka Kitao, Toshiyuki Araki | 1992-08-04 |