Hiroshi Okita

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for treating plated steel sheet
- Patent number 4,959,277
- Issue date Sep 25, 1990
- Nihon Parkerizing Co., Ltd.
- Kenshi Saeki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metal surface hydrophilicizing process and composition
- Patent number 4,954,372
- Issue date Sep 4, 1990
- Nihon Parkerizing Co., Ltd.
- Ryohsuke Sako
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for hydrophilic treatment of aluminum using an amphoteric po...
- Patent number 4,783,224
- Issue date Nov 8, 1988
- Nihon Parkerizing Co., Ltd.
- Ryosuke Sako
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Alkaline degreasing solution comprising amine oxides
- Patent number 4,741,863
- Issue date May 3, 1988
- Toyota Jidosha Kabushiki Kaisha
- Tsukasa Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for activating steel surface prior to phosphating treatment...
- Patent number 4,517,030
- Issue date May 14, 1985
- Toyota Motor Corp.
- Tsukasa Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for treating steel sheet structures
- Patent number 4,402,765
- Issue date Sep 6, 1983
- Nihon Parkerizing Co., Ltd.
- Issei Goto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Hiroshi Okita

Person

Patents Grantslast 30 patents

Process for treating plated steel sheet

Metal surface hydrophilicizing process and composition

Method for hydrophilic treatment of aluminum using an amphoteric po...

Alkaline degreasing solution comprising amine oxides

Process for activating steel surface prior to phosphating treatment...

Method and apparatus for treating steel sheet structures