YI

Yasuhiro Ishitsuka

HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
Overall (All Time): #2,286,345 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5410440 Resinous disc cartridge containing an ester compound of glycerin — 1995-04-25
5373944 Recording media case — 1994-12-20