HI

Hideyo Ishikawa

CC Clarion Co.: 4 patents #133 of 721Top 20%
SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #754,054 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7218477 Information recording medium cartridge Daiki Kobayashi, Hiroshige Takakuwa 2007-05-15
6965497 Information recording medium cartridge Daiki Kobayashi, Hiroshige Takakuwa 2005-11-15
6934962 Disc cartridge with mounting part of shutter slide portion arranged on stage of another shutter slide portion Daiki Kobayashi, Hiroshige Takakuwa 2005-08-23
5195077 Disc loading mechanism for large and small disks Hidenori Muramatsu, Kazuki Takai 1993-03-16
5142522 Locking mechanism useful for floating unit of automobile CD player Hidenori Muramatsu, Kazuki Takai 1992-08-25
4774607 Eject lever arrangement Hideki Hayashi 1988-09-27
4757403 Pinch roller compressive mechanism Hideki Hayashi 1988-07-12