YW

Yoshizumi Watatani

HI Hitachi: 3 patents #156 of 2,942Top 6%
Overall (1997): #9,290 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5699203 Digital transmission signal processing system and recording reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1997-12-16
5673154 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1997-09-30
5671095 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1997-09-23