AS

Akira Shibata

HI Hitachi: 3 patents #156 of 2,942Top 6%
MC Mitsumi Electric Co.: 1 patents #8 of 45Top 20%
Overall (1997): #9,108 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5699203 Digital transmission signal processing system and recording reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani 1997-12-16
5673154 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani 1997-09-30
5671095 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Yoshizumi Watatani 1997-09-23
5648883 Disc drive having positional shift adjustment Hiroshi Sampei, Kouichi Hosoya, Kenji Katoh, Masashi Sato, Mitsutoshi Ohizumi +4 more 1997-07-15