TO

Takeo Ohkouchi

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
📍 Hitachinaka, JP: #618 of 2,447 inventorsTop 30%
Overall (All Time): #659,565 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7450815 Image recording and reproducing apparatus Yasunori Ohara, Akira Saitou, Hiroo Okamoto, Nobutaka Amada 2008-11-11
6763174 Image recording and reproducing apparatus Yasunori Ohara, Akira Saitou, Hiroo Okamoto, Nobutaka Amada 2004-07-13
6292618 Image recording and reproducing apparatus Yasunori Ohara, Akira Saitou, Hiroo Okamoto, Nobutaka Amada 2001-09-18
6158682 Tape running apparatus Masayuki Kijima, Hideo Nishijima, Kaneyuki Okamoto, Yukinobu Tada 2000-12-12
6089485 Apparatus or method for controlling tape speed Masayuki Kijima, Hideo Nishijima, Kaneyuki Okamoto, Yukinobu Tada 2000-07-18
5839683 Apparatus for controlling tape speed Masayuki Kijima, Hideo Nishijima, Kaneyuki Okamoto, Yukinobu Tada 1998-11-24
5253127 Video tape recorder having a special demagnetizing function Yukihiko Ozaki, Eiji Moro, Susumu Ohtsuka 1993-10-12
5170304 Device for cleaning rotary magnetic head of magnetic recording and reproducing device and method of controlling same Noboru Katohno, Hiroyoshi Matsumoto 1992-12-08