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 patentsUS5965651AOct 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