HH

Hiroshi Hirayama

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #206,969 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6347353 Information medium having digital signals recorded thereon Osamu Kawamae, Masayuki Hirabayashi, Yutaka Nagai, Toshifumi Takeuchi 2002-02-12