Inventor
OKUMURA YOSHIHARU
JP30 patents
⚠️ This page may combine multiple inventors who share the name “OKUMURA YOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOA NENRYO KOGYO KK
15 patentsUS4499313AFeb 12, 1985
Process for hydration of olefins
TOA NENRYO KOGYO KK38 citations92
US4507512AMar 26, 1985
Process for hydration of olefins
TOA NENRYO KOGYO KK19 citations82
US4225727ASep 30, 1980
Process for the production of unsaturated esters
TOA NENRYO KOGYO KK25 citations81
US4921988AMay 1, 1990
Process for preparing aminopropyl silanes
TOA NENRYO KOGYO KK19 citations79
US4966981AOct 30, 1990
Process for preparing epoxy group-containing silanes
TOA NENRYO KOGYO KK21 citations76
US4327231AApr 27, 1982
Process for the production of tertiary alcohols
TOA NENRYO KOGYO KK9 citations74
US4284831AAug 18, 1981
Process for the production of tertiary alcohols
TOA NENRYO KOGYO KK17 citations74
US4270011AMay 26, 1981
Process for the production of tertiary butyl alcohol
TOA NENRYO KOGYO KK11 citations74
US4820674AApr 11, 1989
Process for preparing a hydrosilylation catalyst
TOA NENRYO KOGYO KK15 citations73
US4775651AOct 4, 1988
Process for the production of silanes
TOA NENRYO KOGYO KK5 citations73
US4725420AFeb 16, 1988
Process for the production of silanes
TOA NENRYO KOGYO KK7 citations73
US4358626ANov 9, 1982
Process for the production of secondary alcohols
TOA NENRYO KOGYO KK7 citations73
US4888436ADec 19, 1989
Process for preparing aminopropyl alkoxy silanes
TOA NENRYO KOGYO KK8 citations71
US4897501AJan 30, 1990
Process for preparing aminopropyl alkoxy silanes
TOA NENRYO KOGYO KK6 citations62
US4481373ANov 6, 1984
Method of manufacturing ketones
TOA NENRYO KOGYO KK2 citations62
TORAY INDUSTRIES
7 patentsUS4948515AAug 14, 1990
Filter for liquid and method of filtering liquid
TORAY INDUSTRIES39 citations92
US5429848AJul 4, 1995
Electret tubular nonwoven fabric comprising circumferentially oriented parallel reinforcing fibers within a tubular nonwoven fabric
TORAY INDUSTRIES23 citations91
US5296061AMar 22, 1994
Process for producing a tubular nonwoven fabric and tubular nonwoven fabric produced by the same
TORAY INDUSTRIES33 citations91
US5062158ANov 5, 1991
Protective sheets having self-adhesive property used for wearing on clothes and keeping them clean
TORAY INDUSTRIES33 citations86
US5997789ADec 7, 1999
Process of melt-spinning synthetic fiber
TORAY INDUSTRIES8 citations72
US5429847AJul 4, 1995
Tubular nonwoven fabric comprising circumferentially oriented parallel reinforcing fibers within a tubular nonwoven fabric
TORAY INDUSTRIES12 citations72
US5266369ANov 30, 1993
Packaging material made of electret material and packaging method
TORAY INDUSTRIES12 citations70
TONEN CORP
4 patentsUS5248803ASep 28, 1993
Silane compound and processes for the preparation thereof
TONEN CORP6 citations73
US5142082AAug 25, 1992
Silane compound and processes for the preparation thereof
TONEN CORP7 citations73
US5145979ASep 8, 1992
Processes for the preparation of γ-methacryloxypropylsilane compounds
TONEN CORP17 citations72
US4927953AMay 22, 1990
Process for preparing aminopropyl silanes
TONEN CORP13 citations72
EXXON RESEARCH ENGINEERING CO
2 patentsUS4638106AJan 20, 1987
Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives
EXXON RESEARCH ENGINEERING CO77 citations96
US4554260ANov 19, 1985
Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives
EXXON RESEARCH ENGINEERING CO84 citations96