Tomitaka Yamamoto

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Trivalent chromium chemical conversion treatment liquid for zinc or...
- Patent number 11,987,888
- Issue date May 21, 2024
- Dipsol Chemicals Co., Ltd.
- Ryouji Iwanaga
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for regenerating solution for nitric acid activation treatme...
- Patent number 9,249,509
- Issue date Feb 2, 2016
- Dipsol Chemicals Co., Ltd.
- Ryuta Kashio
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Treatment solution for forming black hexavalent chromium-free chemi...
- Patent number 8,337,641
- Issue date Dec 25, 2012
- Dipsol Chemicals Co., Ltd.
- Tomitaka Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Processing solution for forming hexavalent chromium free and corros...
- Patent number 7,914,627
- Issue date Mar 29, 2011
- Dipsol Chemicals Co., Ltd.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Processing solution for forming hexavalent chromium free and corros...
- Patent number 7,745,008
- Issue date Jun 29, 2010
- Dipsol Chemicals Co., Ltd.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROS...
- Patent number 6,858,098
- Issue date Feb 22, 2005
- Dipsol Chemicals Co., Ltd.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROS...
- Patent number 6,719,852
- Issue date Apr 13, 2004
- Dipsol Chemicals Co., Ltd.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for forming a rust proof film
- Patent number 5,938,861
- Issue date Aug 17, 1999
- Dipsol Chemicals Co., Ltd.
- Manabu Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Water-soluble composition for water-repellent treatments of zinc an...
- Patent number 5,843,338
- Issue date Dec 1, 1998
- Dipsol Chemicals Co., Ltd.
- Manabu Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Liquid rust proof film-forming composition and rust proof film-form...
- Patent number 5,743,971
- Issue date Apr 28, 1998
- Dipsol Chemicals Co., Ltd.
- Manabu Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Black chromate solution
- Patent number 5,565,042
- Issue date Oct 15, 1996
- Dipsol Chemicals Co., Ltd.
- Hitoshi Sakurai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
CHEMICAL CONVERSION TREATMENT SOLUTION, CHEMICAL CONVERSION TREATME...
- Publication number 20230304160
- Publication date Sep 28, 2023
- DIPSOL CHEMICALS CO., LTD.
- Ryuta KASHIO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TRIVALENT CHROMIUM CHEMICAL CONVERSION TREATMENT LIQUID FOR ZINC OR...
- Publication number 20220396884
- Publication date Dec 15, 2022
- DIPSOL CHEMICALS CO., LTD.
- Ryouji IWANAGA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TRIVALENT CHROMIUM CHEMICAL CONVERSION TREATMENT LIQUID FOR ZINC OR...
- Publication number 20190078214
- Publication date Mar 14, 2019
- DIPSOL CHEMICALS CO., LTD.
- Ryouji IWANAGA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR REGENERATING SOLUTION FOR NITRIC ACID ACTIVATION TREATME...
- Publication number 20150096461
- Publication date Apr 9, 2015
- DIPSOL CHEMICALS CO., LTD.
- Ryuta Kashio
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROS...
- Publication number 20100230009
- Publication date Sep 16, 2010
- DIPSOL CHEMICALS CO., LTD.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TREATMENT SOLUTION FOR FORMING BLACK HEXAVALENT CHROMIUM-FREE CHEMI...
- Publication number 20080210341
- Publication date Sep 4, 2008
- DIPSOL CHEMICALS CO. LTD.
- Tomitaka Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Agent for reducing conversion film overall friction coefficient for...
- Publication number 20070023104
- Publication date Feb 1, 2007
- DIPSOL CHEMICALS CO., LTD.
- Tomitaka Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Processing solution for forming hexavalent chromium free and corros...
- Publication number 20050103403
- Publication date May 19, 2005
- DIPSOL CHEMICALS CO., LTD.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Processing solution for forming hexavalent chromium free and corros...
- Publication number 20030148122
- Publication date Aug 7, 2003
- DIPSOL CHEMICALS CO., LTD.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Processing solution for forming hexavalent chromium free and corros...
- Publication number 20030121570
- Publication date Jul 3, 2003
- DIPSOL CHEMICALS CO., LTD.
- Katsuhide Oshima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Tomitaka Yamamoto

Person

Patents Grantslast 30 patents

Trivalent chromium chemical conversion treatment liquid for zinc or...

Method for regenerating solution for nitric acid activation treatme...

Treatment solution for forming black hexavalent chromium-free chemi...

Processing solution for forming hexavalent chromium free and corros...

Processing solution for forming hexavalent chromium free and corros...

PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROS...

PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROS...

Method for forming a rust proof film

Water-soluble composition for water-repellent treatments of zinc an...

Liquid rust proof film-forming composition and rust proof film-form...

Black chromate solution

Patents Applicationslast 30 patents

CHEMICAL CONVERSION TREATMENT SOLUTION, CHEMICAL CONVERSION TREATME...

TRIVALENT CHROMIUM CHEMICAL CONVERSION TREATMENT LIQUID FOR ZINC OR...

TRIVALENT CHROMIUM CHEMICAL CONVERSION TREATMENT LIQUID FOR ZINC OR...

METHOD FOR REGENERATING SOLUTION FOR NITRIC ACID ACTIVATION TREATME...

PROCESSING SOLUTION FOR FORMING HEXAVALENT CHROMIUM FREE AND CORROS...

TREATMENT SOLUTION FOR FORMING BLACK HEXAVALENT CHROMIUM-FREE CHEMI...

Agent for reducing conversion film overall friction coefficient for...

Processing solution for forming hexavalent chromium free and corros...

Processing solution for forming hexavalent chromium free and corros...

Processing solution for forming hexavalent chromium free and corros...