FK

Fumio Kawamura

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TC Tomoeagawa Paper Co.: 1 patents #110 of 226Top 50%
Overall (All Time): #3,910,891 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4954937 Lighting lamp Yasuo Kobayashi, Naoki Hagiwara, Taisuke Hirota, Churyo Kodama, Yasuo Hirasawa +4 more 1990-09-04