YM

Yasumitsu Mizoguchi

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Overall (All Time): #1,064,869 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4607358 Optical memory apparatus Takeshi Maeda, Motoo Uno, Kouji Muraoka, Masahiro Takasago, Tokuya Kaneko 1986-08-19
4563760 Method of detecting light spot control signal Takeshi Maeda, Kazuo Shigematsu, Masahiro Takasago, Zenji Tsutsumi, Yoshito Tsunoda +1 more 1986-01-07
4554652 Optical information processor Takeshi Maeda, Yoshito Tsunoda, Takakazu Huno, Masahiro Takasago 1985-11-19
4542491 Optical information disc apparatus with autofocusing servo system Masahiro Takasago, Takeshi Maeda, Motoo Uno 1985-09-17
4523089 Driving apparatus for semiconductor laser Takeshi Maeda, Masahiro Takasago, Tokuya Kaneda, Yoshito Tsunoda 1985-06-11