P

Inventor

OKADA SHUJI

JP14 patents
⚠️ This page may combine multiple inventors who share the name “OKADA SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AGENCY IND SCIENCE TECHN

3 patents
US5003569AMar 26, 1991

Method using x-rays to determine thickness of organic films

AGENCY IND SCIENCE TECHN22 citations91
US5057248AOct 15, 1991

Method for production of polymeric nonlinear optical material

AGENCY IND SCIENCE TECHN2 citations61
US6013748AJan 11, 2000

Aromatic ester compound and second-order non-linear optical material therewith

AGENCY IND SCIENCE TECHN2 citations60

SUMITOMO METAL MINING CO

3 patents
US11479832B2Oct 25, 2022

Method for smelting oxide ore

SUMITOMO METAL MINING CO1 citations59
US11608543B2Mar 21, 2023

Oxide ore smelting method

SUMITOMO METAL MINING CO0 citations48
US10626480B2Apr 21, 2020

Method for smelting oxide ore

SUMITOMO METAL MINING CO0 citations38

JAPAN SCIENCE & TECH AGENCY

2 patents
US7192477B2Mar 20, 2007

Process for producing pigment nanoparticle

JAPAN SCIENCE & TECH AGENCY13 citations82
US7396560B2Jul 8, 2008

Method for preparing organic-inorganic composite microcrystal

JAPAN SCIENCE & TECH AGENCY2 citations61

MARUZEN PETROCHEM CO LTD

1 patent
US5182011AJan 26, 1993

Process for preparing pitches

MARUZEN PETROCHEM CO LTD27 citations91

SUMITOMO SPEC METALS

1 patent
US5281250AJan 25, 1994

Powder material for rare earth-iron-boron based permanent magnets

SUMITOMO SPEC METALS27 citations90

TODA KOGYO CORP

1 patent
US5196586AMar 23, 1993

Polydiphenyldiacetylenes

TODA KOGYO CORP2 citations61

ARKRAY INC

1 patent
US9487484B2Nov 8, 2016

Stilbazolium derivative and nonlinear optical material using the same

ARKRAY INC0 citations49

JFE STEEL CORP

1 patent
US8383034B2Feb 26, 2013

Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness

JFE STEEL CORP1 citations49

SUNITOMO METAL MINING CO LTD

1 patent
US7186289B2Mar 6, 2007

Nickel powder and production method therefor

SUNITOMO METAL MINING CO LTD0 citations42