YT

Yoshihisa Takayama

SO Sony: 6 patents #50 of 2,234Top 3%
Overall (2002): #4,674 of 266,432Top 2%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6501612 Recording medium and tape drive suitable for the same Tatsuya Kato, Katsumi Ikeda 2002-12-31
6493166 Tape cassette and tape recording and/or reproducing apparatus 2002-12-10
6490132 Tape cassette having first and second write inhibit mechanisms for cassette type discrimination Yasuaki Kano, Joichi Daiba, Takao Hiramoto 2002-12-03
6433953 Recording/reproducing apparatus Yoshitsugu Taki, Takao Hiramoto 2002-08-13
6425042 Tape drive apparatus for judging an operational mode of the tape based on detected tape management information Katsumi Ikeda, Masaki Yoshida, Hideto Suzuki, Tatsuya Kato, Osamu Nakamura +1 more 2002-07-23
6421196 Method and apparatus for controlling recording medium Kazuyuki Hirooka 2002-07-16