Toru Ashida

Person

Toyonaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Poly-azo compound, and polarization film having said compound
- Patent number 7,276,268
- Issue date Oct 2, 2007
- Sumitomo Chemical Company, Limited
- Toru Ashida
- F21 - LIGHTING
Information Patent Grant
Disazo compound or salt thereof and polarizing film using the same
- Patent number 7,070,715
- Issue date Jul 4, 2006
- Sumitomo Chemical Company, Limited
- Toru Ashida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyazo compound or salt thereof and dye-based polarization film co...
- Patent number 6,699,976
- Issue date Mar 2, 2004
- Sumitomo Chemical Company, Limited
- Toru Ashida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Unsymmetrical dioxazine compound dichroic dye liquid crystal compos...
- Patent number 6,440,507
- Issue date Aug 27, 2002
- Sumitomo Chemical Company, Limited
- Toshihiko Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyazo compound or salt thereof and dye-based polarization film co...
- Patent number 6,399,752
- Issue date Jun 4, 2002
- Sumitomo Chemical Company, Limited
- Yoshiteru Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Triphenodioxazine compound, method for preparing the same, use of t...
- Patent number 6,214,990
- Issue date Apr 10, 2001
- Sumitomo Chemical Company, Limited
- Toshihiko Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
POLARIZATION FILM AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME
- Publication number 20120229737
- Publication date Sep 13, 2012
- Sumitomo Chemical Company, Limited
- Toru Ashida
- G02 - OPTICS
Information Patent Application
Dye-Based Polarizing Filim
- Publication number 20070275186
- Publication date Nov 29, 2007
- Sumitomo Chemical Company, Limited
- Toru ASHIDA
- G02 - OPTICS
Information Patent Application
Poly-azo compound, and polarization film having said compound
- Publication number 20050127335
- Publication date Jun 16, 2005
- Sumitomo Chemical Company, Limited
- Toru Ashida
- F21 - LIGHTING
Information Patent Application
Disazo compound or salt thereof and polarizing film using the same
- Publication number 20040069976
- Publication date Apr 15, 2004
- Sumitomo Chemical Company, Limited
- Toru Ashida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Polyazo compound or salt thereof and dye-based polarization film co...
- Publication number 20030098447
- Publication date May 29, 2003
- Toru Ashida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Polarization film containing a monoazo compound or salt
- Publication number 20020193515
- Publication date Dec 19, 2002
- Yoshiteru Ohta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Toru Ashida

Person

Patents Grantslast 30 patents

Poly-azo compound, and polarization film having said compound

Disazo compound or salt thereof and polarizing film using the same

Polyazo compound or salt thereof and dye-based polarization film co...

Unsymmetrical dioxazine compound dichroic dye liquid crystal compos...

Polyazo compound or salt thereof and dye-based polarization film co...

Triphenodioxazine compound, method for preparing the same, use of t...

Patents Applicationslast 30 patents

POLARIZATION FILM AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME

Dye-Based Polarizing Filim

Poly-azo compound, and polarization film having said compound

Disazo compound or salt thereof and polarizing film using the same

Polyazo compound or salt thereof and dye-based polarization film co...

Polarization film containing a monoazo compound or salt