Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7072386 | Digital subscriber line communicating system and a transceiver in the system | Kazutomo Hasegawa, Yutaka Awata, Takashi Sasaki, Nobukazu Koizumi | 2006-07-04 |
| 6965617 | Resynchronous control apparatus of subscriber communication machine, and resynchronizing method | Kazutomo Hasegawa, Nobukazu Koizumi | 2005-11-15 |
| 6965649 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2005-11-15 |
| 6953769 | Exhaust gas purifying catalyst | Hiroshi Yamada, Akihide Takami, Kenji Okamoto, Masahiko Shigetsu, Hisaya Kawabata | 2005-10-11 |
| 6944216 | Digital subscriber line communicating system | Yutaka Awata, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2005-09-13 |
| 6834497 | Exhaust gas purifying device for engine | Akihide Takami, Hiroshi Yamada, Masayuki Kuroki | 2004-12-28 |
| 6775524 | Signal transmitting apparatus | Masato Takeyabu, Yasuaki Takeuchi, Yuji Kobayashi, Masahisa Yoshimi | 2004-08-10 |
| 6735244 | Data transmission system and receiver unit thereof | Kazutomo Hasegawa, Nobukazu Koizumi | 2004-05-11 |
| 6620392 | Catalyst for purifying exhaust gas and method for purifying exhaust gas with the catalyst | Kenji Okamoto, Akihide Takami, Hiroshi Yamada | 2003-09-16 |
| 6562753 | Device for purifying exhaust gas, method for purifying exhaust gas, catalyst for purifying exhaust gas, and method for manufacturing exhaust gas purifying catalyst | Akihide Takami, Makoto Kyougoku, Hiroshi Yamada, Kenji Okamoto, Kenichi Yamamoto +1 more | 2003-05-13 |
| 6393051 | Digital subscriber line communicating system and a transceiver in the system | Nobukazu Koizumi, Takashi Sasaki, Kazutomo Hasegawa | 2002-05-21 |
| 6289045 | Training method in a time domain equalizer and a digital data transmission apparatus including an improved training apparatus | Kazutomo Hasegawa, Yutaka Awata | 2001-09-11 |
| 6269634 | Engine control device | Kazuya Yokota, Junichi Taga, Youichi Kuji, Masayuki Kuroki, Akihide Takami +3 more | 2001-08-07 |
| 6263015 | Analog/digital integrated subscriber circuit | Yutaka Awata, Minoru Hirahara, Takuo Gotoda, Hiroaki Itokawa | 2001-07-17 |
| 5481564 | Received data adjusting device | Mitsuo Kakuishi, Yutaka Awata, Norio Ueno, Norio Murakami, Atsushi Manabe | 1996-01-02 |
| 5353305 | Initial training apparatus for use in a transmitter and receiver apparatus | Misao Fukuda, Shinji Ohta, Seiichi Yamato, Kazuyoshi Maruyama, Yutaka Awata +1 more | 1994-10-04 |
| 5311518 | ISDN interface circuit and system using the same | Kenji Takato, Yozo Iketani, Takashi Sato, Hiroyuki Ujiie | 1994-05-10 |
| 5134402 | Tri-level digital-analog converter and analog-digital converter having tri-level digital-analog converter | — | 1992-07-28 |
| 5007044 | Digital adaptive filter and method of convergence therein | Misao Fukuda, Seiichi Yamato, Kouji Tokiwa, Kazuyoshi Maruyama | 1991-04-09 |