HI

Hirokimi Iwata

SO Sony: 8 patents #5,352 of 25,231Top 25%
📍 Ibaraki, JP: #1,290 of 6,779 inventorsTop 20%
Overall (All Time): #667,448 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5991129 Disc cartridge with slidable shutter Yoshikazu Ishimatsu 1999-11-23
5524104 Compact disk drive arrangement with one disk mounted on top of another Ryuzou Tamayama 1996-06-04
5293293 Disk cartridge for exchangeably accommodating a disk-shaped recording medium Shuji Haruna 1994-03-08
5150354 Disk cartridge Shuji Haruna 1992-09-22
5041923 Data storage case having a write/protect assembly Shuji Haruna 1991-08-20
D315900 Optical disc cartridge 1991-04-02
4945433 Ejecting mechanism of disk cartridges Masayuki Suzuki 1990-07-31
4918553 Recording/reproducing apparatus for a disk cassette Masayuki Suzuki 1990-04-17