Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813238 | Cable modem and cable modem system | Takaya Yamamoto | 2004-11-02 |
| 6449250 | Method for switching central device and a cable modem system using the same | Takaya Yamamoto | 2002-09-10 |
| 6351469 | Sound/data sharing communications system | Masaharu Matsumoto, Koji Yano, Atsuo Serikawa, Takaya Yamamoto | 2002-02-26 |
| 5164163 | Hydrocarbon reforming apparatus | Mamoru Aoki, Yohiaki Imoto, Hideki Sugimura | 1992-11-17 |