AU

Akira Umehara

Fujitsu Limited: 20 patents #1,402 of 24,456Top 6%
DE Denso: 8 patents #1,668 of 11,792Top 15%
DA Denso International America: 1 patents #317 of 604Top 55%
Overall (All Time): #138,868 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4290870 Photopolymerizable compositions Syunichi Kondoh, Akihiro Matsufuji 1981-09-22
4264710 Photopolymerizable compositions containing inhibitor compounds having thioureylene groups Syunichi Kondoh, Takeshi Takayama, Tadao Shishido, Isamu Itoh 1981-04-28
4259432 Photopolymerizable compositions having combined photoinitiators Syunichi Kondoh, Akihiro Matsufuji, Yuji Ohara 1981-03-31