Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949475 | Multi-location control apparatus, television conference terminal unit, and multi-location television conference system | Masanobu Hatanaka, Hitoshi Takei, Shoichi Sano, Hiroaki Natori, Reiko Okazaki | 1999-09-07 |
| 5818513 | Multi-site video conference control system and method for controlling video conference terminals via communication lines | Shoichi Sano, Hitoshi Takei, Hiroaki Natori, Masanobu Hatanaka, Reiko Okazaki | 1998-10-06 |
| 5638114 | Multi-location control apparatus, television conference terminal unit, and multi-location television conference system | Masanobu Hatanaka, Hitoshi Takei, Shoichi Sano, Hiroaki Natori, Reiko Okazaki | 1997-06-10 |
| 5589873 | Multipoint television conference system with a multipoint control unit for registering information about TV conference rooms and room groups and allowing a selected room to participate in the TV conference based on registered information | Hiroaki Natori, Hitoshi Takei, Shoichi Sano | 1996-12-31 |