| 12026500 |
Software update device, server, software update system, and software update method |
Nozomi YAMADA |
2024-07-02 |
| RE35329 |
Electronic blackboard and accessories such as writing tools |
Azuma Murakami, Kazuo Aoki, Tsuguya Yamanami, Yoshiaki Tomofuji, Takeshi Tanaka +3 more |
1996-09-17 |
| 5134388 |
Electronic blackboard system marker and eraser therefor |
Azuma Murakami, Tsuguya Yamanami, Toshiaki Senda, Yoshiaki Tomofuji, Hiroshi Mizuno |
1992-07-28 |
| 5023408 |
Electronic blackboard and accessories such as writing tools |
Azuma Murakami, Kazuo Aoki, Tsuguya Yamanami, Yoshiaki Tomofuji, Takeshi Tanaka +3 more |
1991-06-11 |
| 4777531 |
Still sub-picture-in-picture television receiver |
Kunio Hakamada, Kiyoshi Terada |
1988-10-11 |
| 4774582 |
Picture-in picture television receiver with step-by-step still picture control |
Kunio Hakamada, Makoto Hiyamizu |
1988-09-27 |
| 4689684 |
Discharge protecting circuit for a television receiver |
Kiyoshi Terada, Hideo Wakabayashi, Yoshiharu Tanaka |
1987-08-25 |
