Inventor
KATAYAMA SHIGERU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI PETROCHEMICAL IND
7 patentsUS5343076AAug 30, 1994
Semiconductor device with an airtight space formed internally within a hollow package
MITSUI PETROCHEMICAL IND320 citations97
US5070041ADec 3, 1991
Method of removing flash from a semiconductor leadframe using coated leadframe and solvent
MITSUI PETROCHEMICAL IND51 citations90
US4614826ASep 30, 1986
Polyglycidyl ethers of polynuclear polyhydric phenols
MITSUI PETROCHEMICAL IND18 citations82
US4105843AAug 8, 1978
Process for producing hydrocarbon resins having improved color and thermal stability by heat treatment with an α,βunsaturated anhydride
MITSUI PETROCHEMICAL IND13 citations72
US3963653AJun 15, 1976
Process for producing hydrocarbon resin and pressure-sensitive adhesives containing same
MITSUI PETROCHEMICAL IND9 citations67
US4230840AOct 28, 1980
Process for producing hydrocarbon resins having improved color and thermal stability
MITSUI PETROCHEMICAL IND10 citations66
US3931125AJan 6, 1976
Process for producing hydrocarbon resin and pressure-sensitive adhesives containing same
MITSUI PETROCHEMICAL IND5 citations56