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Masanori Maehara

SO Sony: 5 patents #7,785 of 25,231Top 35%
Overall (All Time): #1,040,650 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6819529 Head drum device with carbon-containing synthetic resin upper drum and larger diameter intermediate drum Tadashi Ooami, Junya Endo, Masahiro Kiko, Tamami Mishiro, Kentaro Shingai 2004-11-16
5390055 Loading system for tape cassette in recording and/or reproducing apparatus for storing and/or reproducing information on recording medium tape stored in cassette housing Eiji Ohshima, Toshio Mamiya, Yoshio Kusui 1995-02-14
5333807 Recording and reproducing apparatus having a tape tension changing mechanism Yoshio Kusui, Akira Kumano, Shuji Yoshida 1994-08-02
5258881 Tape cassette loading system in recording and/or reproducing apparatus Eiji Ohshima, Toshio Mamiya, Yoshio Kusui 1993-11-02
4870517 Magnetic tape cassette loading mechanism in recording and/or reproducing apparatus Takao Kumagai, Shuji Yoshida, Manabu Tsuyama 1989-09-26