MT

Masaaki Takizawa

HI Hitachi: 4 patents #68 of 2,942Top 3%
Overall (1997): #6,820 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5689300 Picture codec and teleconference terminal equipment Yoji Shibata, Hitoshi Matsushima, Hiroshi Yoshikawa, Atsuo Yoshida, Toru Ebihara +3 more 1997-11-18
5677727 Television telephone Hiroshi Gotoh, Kiyoshi Ishida, Yoji Shibata, Masahiro Takahashi, Kenji Yokoi +6 more 1997-10-14
5606554 Teleconference terminal equipment and teleconference module Yoji Shibata, Hitoshi Matsushima, Kiyoshi Ishida, Atsuo Yoshida, Atsushi Ishibashi +1 more 1997-02-25
5604738 Multipoint teleconference system employing H. 221 frames Yoji Shibata 1997-02-18