Inventor
TATSUKAMI YOSHIHARU
21 patents
⚠️ This page may combine multiple inventors who share the name “TATSUKAMI YOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
13 patentsUS4367323AJan 4, 1983
Production of hydrogels
SUMITOMO CHEMICAL CO194 citations96
US4768860ASep 6, 1988
Plastic optical cable
SUMITOMO CHEMICAL CO21 citations80
US4843113AJun 27, 1989
Aromatic polysulfone resin composition having excellent plating characteristics
SUMITOMO CHEMICAL CO14 citations73
US4576438AMar 18, 1986
Heat-resisting optical fiber
SUMITOMO CHEMICAL CO15 citations73
US4042766AAug 16, 1977
Method for preparation of ionically crosslinked ethylene copolymers
SUMITOMO CHEMICAL CO16 citations73
US4812011AMar 14, 1989
Optical fiber comprising a methacrylate polymer core and a fluoro polymer cladding
SUMITOMO CHEMICAL CO17 citations72
US4779954AOct 25, 1988
Plastic optical fiber resistant to heat and humidity
SUMITOMO CHEMICAL CO14 citations72
US4758067AJul 19, 1988
Plastic optical fiber
SUMITOMO CHEMICAL CO16 citations72
US3952136AApr 20, 1976
Multi-layer product of metal and resin, and its production
SUMITOMO CHEMICAL CO7 citations68
US4385168AMay 24, 1983
Process for producing polyphenylene oxide
SUMITOMO CHEMICAL CO4 citations62
US4868276ASep 19, 1989
Process for producing polyphenylene oxide with alkanolamine and secondary amine
SUMITOMO CHEMICAL CO4 citations61
US4205148AMay 27, 1980
Dyeable polyolefin composition
SUMITOMO CHEMICAL CO4 citations57
US4166079AAug 28, 1979
Dyeable polyolefin composition
SUMITOMO CHEMICAL CO3 citations57