JD

Joichi Daiba

SO Sony: 9 patents #4,874 of 25,231Top 20%
Overall (All Time): #584,650 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7252257 Tape drive apparatus, tape extraction apparatus and tape cassette Toshiya Kurokawa, Katsumi Maekawa, Yasuaki Kano, Atsushi Mitani 2007-08-07
6991193 Tape drive device, tape extraction device and tape cassette Toshiya Kurokawa, Katsumi Maekawa, Yasuaki Kano, Atsushi Mitani 2006-01-31
6583955 Tape cassette having first and second write inhibit mechanisms Yasuaki Kano, Yoshihisa Takayama, Takao Hiramoto 2003-06-24
6490132 Tape cassette having first and second write inhibit mechanisms for cassette type discrimination Yasuaki Kano, Yoshihisa Takayama, Takao Hiramoto 2002-12-03
6160679 Recording medium device for use with a tape cartridge having an auxiliary memory viewable through a cartridge discrimination opening Katsumi Maekawa, Satoshi Ota, Toshiya Kurokawa, Mitsunori Sakama, Masanori Abe +1 more 2000-12-12
5992784 Lid assembly for tape cartridge Masanori Abe, Katsumi Maekawa 1999-11-30
5886843 Recording and playback apparatus using a helical-scan-type rotary head Tadashi Ozue 1999-03-23
5791578 Recording medium device with memory terminals and shutter sized and shaped in relation thereto Toshiya Kurokawa, Satoshi Ota, Mitsunori Sakama, Katsumi Maekawa, Tadashi Ozue 1998-08-11
5712744 Magnetic tape loading device Mitsunori Sakama, Satoshi Ota, Toshiya Kurokawa, Katsumi Maekawa 1998-01-27