P

Inventor

YAMAGUCHI TETSUHIKO

JP17 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI TETSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHOWA DENKO KK

15 patents
US5965651AOct 12, 1999

Liquid-absorbing material composition, molded product therefrom, process for preparing the same and use thereof

SHOWA DENKO KK30 citations92
US5934011AAug 10, 1999

Seedling culture mat

SHOWA DENKO KK54 citations92
US5338815AAug 16, 1994

Fine particulate crosslinked type n-vinylamide resin and microgel, process for preparing same, and use thereof

SHOWA DENKO KK23 citations92
US5153067AOct 6, 1992

Collagen powder having good dispersion stability and use thereof as leather-like surface layer-forming agent

SHOWA DENKO KK45 citations91
US5788950AAug 4, 1998

Method for the synthesis of mixed metal oxide powders

SHOWA DENKO KK43 citations90
US5744118AApr 28, 1998

Method for the synthesis of mixed metal oxide powders

SHOWA DENKO KK28 citations90
US5280095AJan 18, 1994

Fine particulate crosslinked type N-vinylamide resin and microgel, process for preparing same, and use thereof

SHOWA DENKO KK17 citations82
US5274078ADec 28, 1993

Process for producing collagen powder

SHOWA DENKO KK17 citations73
US4581394AApr 8, 1986

Agent for forming surface-protecting layer on coated paper

SHOWA DENKO KK14 citations71
US8025987B2Sep 27, 2011

Light emitting polymer material, organic electroluminescence device and display device comprising light emitting polymer material

SHOWA DENKO KK2 citations63
US5968555AOct 19, 1999

Fine particulate cross-linked type N-vinylamide resin

SHOWA DENKO KK6 citations62
US7872411B2Jan 18, 2011

Organic electroluminescence device using a copolymer and a phosphorescent compound

SHOWA DENKO KK6 citations61
US6126850AOct 3, 2000

Freeze-preventing material and method for preventing pavement surface from freezing

SHOWA DENKO KK4 citations56
US6090899AJul 18, 2000

Terpolymers of unsaturated sulfonates, N-vinylamides and ethylenic monomers

SHOWA DENKO KK3 citations56
US4833256AMay 23, 1989

Fluoran derivatives and recording material containing the same

SHOWA DENKO KK0 citations48

TOYO GOSEI KOGYO KK

1 patent

YAMAGUCHI TETSUHIKO

1 patent