HN

Hiroya Nakagawa

SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,637,554 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5719008 Photoresist composition comprising a polyfunctional vinyl ether compound Shigeo Hozumi 1998-02-17
5672463 Polyfunctional vinyl ether compound and photoresist resin composition containing the same Shigeo Hozumi, Shinichiro Kitayama 1997-09-30
5510540 Polyfunctional vinyl ether compound and photoresist resin composition containing the same Shigeo Hozumi, Shinichiro Kitayama 1996-04-23