YI

Yoshikazu Ishimatsu

SO Sony: 12 patents #3,691 of 25,231Top 15%
Overall (All Time): #428,553 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5991129 Disc cartridge with slidable shutter Hirokimi Iwata 1999-11-23
5956314 Shock absorbing device and recording/playback apparatus for disc-shaped recording medium employing the shock absorbing device Akira Suzuki, Atsuyuki Ukai 1999-09-21
5936927 Disk drive apparatus with insulators to minimize external vibrations Ryo Soga, Toshiro Ota, Takuji Shimoda 1999-08-10
5793729 CD/CD-ROM apparatus Ryo Soga, Toshiro Ota, Takuji Shimoda 1998-08-11
5737304 CD/CD-ROM apparatus Ryo Soga, Toshiro Ota, Takuji Shimoda 1998-04-07
5612935 Apparatus and method for controlling the position of an optical pickup device in a recording/reproducing apparatus for a disc-shaped recording medium 1997-03-18
5488605 Disc cartridge with easily assembled slider and shutter means 1996-01-30
5299096 LED mounting holder and device for mounting LED using it 1994-03-29
5208802 Disk adapter for disk cartridge Akira Suzuki 1993-05-04
5045959 Disc cartridge with opening for exposing disc extending to thin portion of peripheral wall provided with reinforcement 1991-09-03
4746013 Disc cartridge with releasable locking means Akira Suzuki 1988-05-24
4194229 Mode selecting assembly for recording and/or reproducing apparatus Yoshinori Yamamoto, Hideo Imai 1980-03-18