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Kazuya Ogino
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Minoo, JP
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last 30 patents
Information
Patent Grant
Dye containing polarizing film
Patent number
6,235,064
Issue date
May 22, 2001
Sumitomo Chemical Company, Limited
Kazuya Ogino
G02 - OPTICS
Information
Patent Grant
Azo compound and a polarizing film containing the same
Patent number
5,700,296
Issue date
Dec 23, 1997
Sumitomo Chemical Company, Limited
Kazuya Ogino
B32 - LAYERED PRODUCTS
Information
Patent Grant
Tetrakisazo compound and a polarizing film containing the same
Patent number
5,659,020
Issue date
Aug 19, 1997
Sumitomo Chemical Company, Limited
Kazuya Ogino
G02 - OPTICS
Information
Patent Grant
Dye containing polarizing film
Patent number
5,609,796
Issue date
Mar 11, 1997
Sumitomo Chemical Company, Limited
Setsuko Yamamoto
G02 - OPTICS
Information
Patent Grant
Trisazo compounds imparting deep black color a method for dyeing by...
Patent number
5,536,819
Issue date
Jul 16, 1996
Sumitomo Chemical Company, Limited
Yuriko Tamura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Tetraskisazo compound and ink containing the compound
Patent number
5,530,105
Issue date
Jun 25, 1996
Sumitomo Chemical Company, Limited
Satoshi Yamazaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Trisazo compound imparting black color, method for dyeing by using...
Patent number
5,489,671
Issue date
Feb 6, 1996
Sumitomo Chemical Company, Limited
Kazuya Ogino
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Trisazo compounds, method for dyeing fiber materials, paper or leat...
Patent number
5,488,101
Issue date
Jan 30, 1996
Sumitomo Chemical Company, Limited
Kazuya Ogino
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo dyes having aminobenzoylamino group
Patent number
5,480,977
Issue date
Jan 2, 1996
Sumitomo Chemical Company, Limited
Kazuya Ogino
G02 - OPTICS
Information
Patent Grant
Dye-containing polarizing film
Patent number
5,354,512
Issue date
Oct 11, 1994
Sumitomo Chemical Company Limited
Kazuya Ogino
G02 - OPTICS
Information
Patent Grant
Ink compositions for ink jet recording
Patent number
5,183,501
Issue date
Feb 2, 1993
Sumitomo Chemical Company, Limited
Hideo Kawashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Trisazo compounds and use thereof
Patent number
5,180,817
Issue date
Jan 19, 1993
Sumitomo Chemical Company, Limited
Kazuya Ogino
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Disazo compound and ink composition containing the same
Patent number
5,149,366
Issue date
Sep 22, 1992
Sumitomo Chemical Company, Limited
Hideo Kawashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...