Inventor
TAKASHIMA MASAYUKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “TAKASHIMA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
10 patentsUS6200947B1Mar 13, 2001
Metal-corrosion inhibitor and cleaning liquid
SUMITOMO CHEMICAL CO46 citations90
US7186354B2Mar 6, 2007
Anticorrosive treating concentrate
SUMITOMO CHEMICAL CO10 citations84
US6472357B2Oct 29, 2002
Electronic parts cleaning solution
SUMITOMO CHEMICAL CO13 citations74
US6800105B2Oct 5, 2004
Abrasive for metal
SUMITOMO CHEMICAL CO6 citations73
US9972756B2May 15, 2018
Method for producing semiconductor light-emitting device
SUMITOMO CHEMICAL CO1 citations48
US9765190B2Sep 19, 2017
Polysilsesquioxane based encapsulating material composition for UV-LED and use of phosphoric acid based catalyst therefor
SUMITOMO CHEMICAL CO0 citations48
US10011720B2Jul 3, 2018
Silicone-based encapsulating material composition and semiconductor light-emitting device
SUMITOMO CHEMICAL CO1 citations47
US10014451B2Jul 3, 2018
Method for producing semiconductor light-emitting device
SUMITOMO CHEMICAL CO1 citations42
US9840641B2Dec 12, 2017
Silicone resin liquid composition
SUMITOMO CHEMICAL CO0 citations39
US9954152B2Apr 24, 2018
Method for producing semiconductor light-emitting device
SUMITOMO CHEMICAL CO0 citations38
RICOH KK
4 patentsUS4949123AAug 14, 1990
Toner supply device for a developing apparatus
RICOH KK86 citations96
US4855783AAug 8, 1989
Agitating roller and restricting member for a developing device
RICOH KK20 citations82
US4814821AMar 21, 1989
Image-forming device
RICOH KK10 citations70
US4901113AFeb 13, 1990
Image-forming device
RICOH KK3 citations59
SHARP KK
4 patentsKIYOKAWA PLATING IND CO LTD
3 patentsUS6143052ANov 7, 2000
Hydrogen storage material
KIYOKAWA PLATING IND CO LTD55 citations94
US6306339B1Oct 23, 2001
Method for manufacturing hydrogen storage material
KIYOKAWA PLATING IND CO LTD21 citations90
US5874168AFeb 23, 1999
Fluorocarbon compound-hydrogen storage alloy composite and method of manufacturing the same
KIYOKAWA PLATING IND CO LTD13 citations71
DONGWOO FINE CHEM CO LTD
3 patentsUS7485612B2Feb 3, 2009
Electronic parts cleaning solution
DONGWOO FINE CHEM CO LTD5 citations63
US7199091B2Apr 3, 2007
Photoresist stripper
DONGWOO FINE CHEM CO LTD5 citations63
US7176173B2Feb 13, 2007
Washing liquid for semiconductor substrate and method of producing semiconductor device
DONGWOO FINE CHEM CO LTD5 citations63