KS

Keirou Shinkawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,657,510 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5939826 Plasma display system Michitaka Ohsawa, Hiroshi Ohtaka, Ken Hashimoto, Nobuyuki Ushifusa, Seiichi Tsuchida +2 more 1999-08-17