YW

Yoshizumi Watatani

HI Hitachi: 3 patents #145 of 3,149Top 5%
Overall (1994): #7,164 of 165,921Top 5%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5337199 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1994-08-09
5323273 Audio signal recording and playback apparatus of magnetic recording and playback apparatus Nobuo Azuma, Takashi Furuhata, Hiroaki Takahashi, Katsumi Takeda 1994-06-21
5307171 Video tape recorder/player Nobuo Azuma, Atsushi Yoshioka, Shuichi Matsuo, Tadasu Otsubo 1994-04-26