YO

Yasuo Otsuka

HI Hitachi: 2 patents #339 of 2,942Top 15%
Overall (1997): #19,437 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5612940 Disc cartridge for receiving a disk and mechanism for preventing an incorrect insertion of a cartridge Nobuhiro Katase, Tohru Sasaki 1997-03-18
5606547 Optical disc cartridge and mechanism for preventing an incorrect insertion of a cartridge Nobuhiro Katase, Tohru Sasaki 1997-02-25