Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5940416 | Digital signal decoding apparatus and a decoding method used therein | Takushi Nishiya, Hideyuki Yamakawa, Shoichi Miyazawa, Seiichi Mita, Yoichi Uehara +1 more | 1999-08-17 |
| 5937020 | Digital information signal reproducing circuit and digital information system | Kenichi Hase, Ryutaro Horita, Tsuguyoshi Hirooka, Haruto Katsu, Shoichi Miyazawa +1 more | 1999-08-10 |
| 5878097 | Signal processing delay circuit | Kenichi Hase, Ryutaro Horita, Kunio Watanabe, Yoshiteru Ishida, Hiroshi Kimura | 1999-03-02 |
| 5844741 | System for reproducing high-density magnetic record data with viterbi detector for generating quadripartite reproduction data | Hideyuki Yamakawa, Takushi Nishiya, Terumi Takashi | 1998-12-01 |
| 5636254 | Signal processing delay circuit | Kenichi Hase, Ryutaro Horita, Kunio Watanabe, Yoshiteru Ishida, Hiroshi Kimura | 1997-06-03 |
| 5614860 | Voltage-controlled filter circuit, a semiconductor integrated circuit device for signal processing, and a signal reading apparatus using the circuit and the apparatus | Katsumi Osaki, Hitoshi Watanabe | 1997-03-25 |
| 5572163 | Active filter control apparatus | Hiroshi Kimura, Ryutaro Horita, Kenichi Hase, Kunio Watanabe | 1996-11-05 |
| 5553066 | Data transfer system including exchange | Yoshiharu Kato, Ryouzi Takano, Takashi Hatano, Yoshio Morita | 1996-09-03 |
| 5398047 | Semiconductor integrated circuit device including high-speed operating circuit and low-speed operating circuit, and system using the same | Yasuhiro Kanzawa, Akira Uragami, Masaou Takahashi | 1995-03-14 |
| 5271009 | Data transfer method performed in a data processor provided in a switching system | Ryouzi Takano, Kiyohumi Mitsuze, Takashi Hatano, Sumie Morita | 1993-12-14 |
| 5140114 | Electric contact with base metal | Mitsuo Sunaga, Kiyoshi Sekiguchi, Hisaji Shinohara, Akihiro Takahashi, Hiroshi Hikita +1 more | 1992-08-18 |
| 4971759 | Metallic material for flutes | Osamu Watanabe, Kojiro Akagawa, Kuniaki Nomata | 1990-11-20 |
| 4812839 | System for controlling network activation sequence | Sumie Okada, Takashi Hatano, Yutaka Kawato, Ryoji Shimozono, Kenji Tsutsumi +2 more | 1989-03-14 |
| 4808223 | Silver/metal oxide material for electrical contacts and method of producing the same | Ryoji Ozaki, Hisaji Shinohara, Hironobu Yamamoto, Hajime Yoshida | 1989-02-28 |
| 4761779 | Subscriber's line switching control system | Hiroaki Takeichi, Yoshio Morita, Takashi Hatano, Yutaka Kawato | 1988-08-02 |
| 4754273 | System for controlling network activation sequence | Sumie Okada, Takashi Hatano, Yutaka Kawato, Ryoji Shimozono, Kenji Tsutsumi +2 more | 1988-06-28 |
| 4698801 | Digital exchange system | Takashi Hatano, Yutaka Kawato, Sumie Okada | 1987-10-06 |
| 4661946 | Digital switch module having encoding law conversion capability | Atsuhisa Takahashi, Masami Murayama, Hiroaki Takeichi | 1987-04-28 |
| 4659384 | Gallium alloy for dental restorations | Yasuhito Daigo, Takashi Horibe, Kengo Inage, Shigeyasu Naruse, Yoshizo Okamoto +1 more | 1987-04-21 |