Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512116 | Gateway for internet telephone | — | 2009-03-31 |
| 6828752 | Driving equipment and semiconductor equipment for alternating-current motor | Junnosuke Nakatsugawa, Tsuyoshi Tanaka, Tunehiro Endo, Yukio Kawabata | 2004-12-07 |
| 6829643 | Network control apparatus having bandwidth control method selection associated to users utilizing status tables, ranking tables, and total points of user's information parameters | Teruo Tobe, Yoshiki Suzuki, Kazuhiko Yanagidate, Hiroshi Kobayashi | 2004-12-07 |
| 6807166 | Gateway for internet telephone | — | 2004-10-19 |
| 6534948 | Motor driving circuit, a method for driving a motor, and a semiconductor integrated circuit device | Tsuyoshi Tanaka, Yukio Kawabata | 2003-03-18 |
| 6040827 | Driver circuit, driver integrated circuit, and display device and electronic device using the driver circuit and driver integrated circuit | Kazuhiro Shiina, Koji Kawamoto, Masato Miura, Shoichi Ozeki, Noboru Akiyama +3 more | 2000-03-21 |
| 5818281 | Semiconductor circuit having turn-on prevention capability of switching semiconductor device during off cycle thereof by undesired transient voltages | Koji Kawamoto, Shoichi Ozeki | 1998-10-06 |
| 4562397 | Squirrel-cage induction motor | Yukio Kitabayashi, Noriyoshi Takahashi, Toshiaki Okuyama, Masatoshi Watanabe | 1985-12-31 |