Yamaguchi; Tetsuhiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamaguchi; Tetsuhiko.The latest application filed is for "organic electroluminescence device using a copolymer and a phosphorescent compound".

Company Profile

0.8.7

Yamaguchi; Tetsuhiko - Chiba JP
Yamaguchi; Tetsuhiko - Chiba-shi JP
Yamaguchi; Tetsuhiko - Kanagawa JP
Yamaguchi; Tetsuhiko - Kawasaki JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Organic light-emitting device Grant 8,257,837 - Yamaguchi , et al. September 4, 2	2012-09-04
Light emitting polymer material, organic electroluminescence device and display device comprising light emitting polymer material Grant 8,025,987 - Takahashi , et al. September 27, 2	2011-09-27
Organic electroluminescence device using a copolymer and a phosphorescent compound Grant 7,872,411 - Yamaguchi , et al. January 18, 2	2011-01-18
Organic Electroluminescence Device Using A Copolymer And A Phosphorescent Compound App 20090284133 - Yamaguchi; Tetsuhiko ; et al.	2009-11-19
Light Emitting Polymer Material, Organic Electroluminescence Device And Display Device Comprising Light Emitting Polymer Material App 20090096353 - Takahashi; Yoshiaki ; et al.	2009-04-16
Organic Light-emitting Device App 20090091249 - Yamaguchi; Tetsuhiko ; et al.	2009-04-09
Reflecting member for a surface light source, production process of the reflecting member and use thereof App 20070030667 - Watanabe; Takeo ; et al.	2007-02-08
Seed coating composition, coated seed, and coating method App 20060240983 - Yamaguchi; Tetsuhiko	2006-10-26
Photosensitive compositions and pattern formation method Grant 6,342,330 - Watanabe , et al. January 29, 2	2002-01-29
Photosensitive compositions and pattern formation method App 20010012597 - Watanabe, Masaharu ; et al.	2001-08-09
Photosensitive compositions and pattern formation method App 20010003633 - Watanabe, Masaharu ; et al.	2001-06-14
Liquid-absorbing material composition, molded product therefrom, process for preparing the same and use thereof Grant 5,965,651 - Ishii , et al. October 12, 1	1999-10-12
Seedling culture mat Grant 5,934,011 - Ishioka , et al. August 10, 1	1999-08-10
Method for the synthesis of mixed metal oxide powders Grant 5,788,950 - Imamura , et al. August 4, 1	1998-08-04
Collagen powder having good dispersion stability and use thereof as leather-like surface layer-forming agent Grant 5,153,067 - Yoshida , et al. October 6, 1	1992-10-06

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