Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584431 | Communication system and terminal units connected thereto | Hiroi Kazushige, Nobukazu Kondo, Tsutomu Hara, Tooru Yokozawa, Masaya Umemura +1 more | 2009-09-01 |
| 6850267 | Video telephone system and terminal device therefor | Kazushige Hiroi, Nobukazu Kondo, Tooru Yokozawa, Takeo Tomokane | 2005-02-01 |