KK

Ken Kashima

SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #1,103,213 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11930695 Block copolymer and light emitting device using the same Mayuko SUGIYAMA, Mio SHIRATORI, Katsuhiro Suenobu 2024-03-12
9982087 Method for producing compound Noriyuki Hida 2018-05-29
5530782 Intermediate branching method for optical path Keiji Osaka, Tetsuaki Watanabe 1996-06-25
5524166 Separating tool for multi-core ribbon fiber Keiji Osaka, Tetsuaki Watanabe 1996-06-04