Inventor

SUMITA KATSUHIKO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “SUMITA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAICEL CHEM

2 patents

US6858311B2Feb 22, 2005

Surface protective film and process for producing the same

DAICEL CHEM9 citations69

US6777100B2Aug 17, 2004

Surface protective film for adhesive resin and process for producing the same

DAICEL CHEM5 citations58

DAICEL CORP

2 patents

US11791284B2Oct 17, 2023

Semiconductor device manufacturing method

DAICEL CORP0 citations60

US10622658B2Apr 14, 2020

Release film, laminate and method for manufacturing same, and method for manufacturing fuel cell

DAICEL CORP0 citations46