Kyowa Yuka Co., Ltd.

Organization

Chiyoda-ku, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Oily ingredient for cosmetic preparation and cosmetic preparation
- Patent number 7,417,162
- Issue date Aug 26, 2008
- Kyowa Yuka Co., Ltd.
- Yukitoshi Fukuda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for producing ether compound
- Patent number 7,358,030
- Issue date Apr 15, 2008
- Kyowa Yuka Co., Ltd.
- Ikuo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Squarylium-metal chelate compounds and optical recording media
- Patent number 7,223,521
- Issue date May 29, 2007
- Ricoh Company, Ltd.
- Tohru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing ether compound
- Patent number 7,015,363
- Issue date Mar 21, 2006
- Kyowa Yuka Co., Ltd.
- Ikuo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Filters for electronic display device
- Patent number 6,818,262
- Issue date Nov 16, 2004
- Kyowa Yuka Co., Ltd.
- Ikuo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical recording medium, optical recording method and optical reco...
- Patent number 6,794,005
- Issue date Sep 21, 2004
- Ricoh Company, Ltd.
- Soh Noguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Resin composition
- Patent number 6,770,709
- Issue date Aug 3, 2004
- Kyowa Yuka Co., Ltd.
- Yoshio Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of diminishing odor emission
- Patent number 6,759,484
- Issue date Jul 6, 2004
- Kyowa Yuka Co., Ltd.
- Toshikazu Murayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a high-purity oxygenic compound and lubricati...
- Patent number 6,734,151
- Issue date May 11, 2004
- Idemitsu Kosan Co., Ltd.
- Minoyuki Kubota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metal complex type squarylium compounds and optical recording media...
- Patent number 6,660,867
- Issue date Dec 9, 2003
- Kyowa Hakko Kogyo Co., Ltd.
- Ikuo Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Polyurethane and water-compatible polyurethane resin
- Patent number 6,649,693
- Issue date Nov 18, 2003
- Kyowa Yuka Co., Ltd.
- Shohei Konishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Squarylium compounds and optical recording media using the same
- Patent number 6,599,605
- Issue date Jul 29, 2003
- Kyowa Hakko Kogyo Co., Ltd.
- Ikuo Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Squarylium compounds and optical recording medium containing the same
- Patent number 6,596,364
- Issue date Jul 22, 2003
- Kyowa Hakko Kogyo Co., Ltd.
- Ikuo Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording and reading method u...
- Patent number 6,558,768
- Issue date May 6, 2003
- Ricoh Company, Ltd.
- Soh Noguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Resin composition
- Patent number 6,512,057
- Issue date Jan 28, 2003
- Kyowa Yuka Co., Ltd.
- Toshikazu Murayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dithiocarbonate composition
- Patent number 6,372,871
- Issue date Apr 16, 2002
- Kyowa Yuka Co., Ltd.
- Shinichiro Jimbo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing alcohols
- Patent number 6,365,783
- Issue date Apr 2, 2002
- Kyowa Yuka Co., Ltd.
- Yorozu Yokomori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyurethane adhesive, method for use in bonding, and use of mixture
- Patent number 6,353,078
- Issue date Mar 5, 2002
- Kyowa Yuka Co., Ltd.
- Shigeru Murata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione
- Patent number 6,331,653
- Issue date Dec 18, 2001
- Kyowa Yuka Co., Ltd.
- Shoshiro Matsushita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions containing dithiocarbonate compound
- Patent number 6,160,044
- Issue date Dec 12, 2000
- Kyowa Yuka Co., Ltd.
- Shinichiro Jimbo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyester resin composition, cured resin, and coating material
- Patent number 6,143,840
- Issue date Nov 7, 2000
- Kyowa Yuka Co., Ltd.
- Shigeru Murata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane and polyester polyol
- Patent number 6,087,466
- Issue date Jul 11, 2000
- Kyowa Yuka Co., Ltd.
- Shigeru Murata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing 1,5-pentanediol derivatives
- Patent number 6,072,089
- Issue date Jun 6, 2000
- Kyowa Yuka Co., Ltd.
- Satoru Mizutani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diglycidyl ethers
- Patent number 6,048,956
- Issue date Apr 11, 2000
- Kyowa Yuka Co., Ltd.
- Kenji Muto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione
- Patent number 5,808,166
- Issue date Sep 15, 1998
- Kyowa Yuka Co., Ltd.
- Ikuo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separation of an ester from a reaction mixture
- Patent number 4,250,328
- Issue date Feb 10, 1981
- Kyowa Yuka Co., Ltd.
- Kiyoshi Fujita
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for producing ether compound
- Publication number 20060074262
- Publication date Apr 6, 2006
- Kyowa Yuka Co., Ltd.
- Ikuo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Softening agent
- Publication number 20040225065
- Publication date Nov 11, 2004
- Kyowa Yuka Co., Ltd.
- Toshihiro Inayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Filters for electronic display device
- Publication number 20030165640
- Publication date Sep 4, 2003
- Kyowa Yuka Co., Ltd.
- Ikuo Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Softening agent
- Publication number 20030119959
- Publication date Jun 26, 2003
- Kyowa Yuka Co., Ltd.
- Toshihiro Inayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Resin compositions
- Publication number 20030065056
- Publication date Apr 3, 2003
- Kyowa Yuka Co., Ltd.
- Iwao Hotta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Kyowa Yuka Co., Ltd.

Organization

Patents Grantslast 30 patents

Oily ingredient for cosmetic preparation and cosmetic preparation

Process for producing ether compound

Squarylium-metal chelate compounds and optical recording media

Process for producing ether compound

Filters for electronic display device

Optical recording medium, optical recording method and optical reco...

Resin composition

Method of diminishing odor emission

Process for producing a high-purity oxygenic compound and lubricati...

Metal complex type squarylium compounds and optical recording media...

Polyurethane and water-compatible polyurethane resin

Squarylium compounds and optical recording media using the same

Squarylium compounds and optical recording medium containing the same

Optical recording medium and optical recording and reading method u...

Resin composition

Dithiocarbonate composition

Process for producing alcohols

Polyurethane adhesive, method for use in bonding, and use of mixture

Process for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione

Compositions containing dithiocarbonate compound

Polyester resin composition, cured resin, and coating material

Polyurethane and polyester polyol

Process for producing 1,5-pentanediol derivatives

Diglycidyl ethers

Method for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione

Method for separation of an ester from a reaction mixture

Patents Applicationslast 30 patents

Process for producing ether compound

Softening agent

Filters for electronic display device

Softening agent

Resin compositions

Trademarklast 30 trademarks