KS

Katsuhiko Sumita

DA Daicel: 2 patents #168 of 523Top 35%
DI Daicel Chemical Industries: 2 patents #308 of 893Top 35%
📍 Himeji, JP: #467 of 1,500 inventorsTop 35%
Overall (All Time): #1,134,281 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11791284 Semiconductor device manufacturing method Naoko Tsuji, Akira Yamakawa 2023-10-17
10622658 Release film, laminate and method for manufacturing same, and method for manufacturing fuel cell Hiroshi ONOMICHI, Yoshimichi Okano, Kanae Nishimura, Kazuyuki Okada, Takayuki Yaegashi +1 more 2020-04-14
6858311 Surface protective film and process for producing the same Masaya Omura 2005-02-22
6777100 Surface protective film for adhesive resin and process for producing the same Masaya Omura 2004-08-17