SU

Shinji Umehara

TE Teac: 3 patents #117 of 440Top 30%
📍 Kodaira, JP: #461 of 1,073 inventorsTop 45%
Overall (All Time): #1,574,332 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7496773 Data recording/reproducing system using optical disk apparatus Ryotaro Hongo, Takayuki Honda, Teruyoshi Nakahashi, Hiroshi Tsuyuguchi 2009-02-24
5446605 Method and apparatus for moving head from one tape track to another against the risk of damaging the tape Mitsuru Hasegawa, Kohji Nagai, Yoshinobu Yanagibashi 1995-08-29
4942485 Apparatus capable of data reproduction from digital tape cassettes or like storage media employing two different recording methods Yukinobu Nakamura 1990-07-17