Kosei Ishihara

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Nekoyamachi, Takasaki-shi, Gunma-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drawing-out tool for sheet metal
- Patent number 11,433,449
- Issue date Sep 6, 2022
- STAR CO., LTD.
- Kosei Ishihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Sheet metal drawing equipment
- Patent number 5,943,902
- Issue date Aug 31, 1999
- Kosei Ishihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Sheet metal drawing equipment
- Patent number 5,333,486
- Issue date Aug 2, 1994
- Kosei Ishihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
DRAWING-OUT TOOL FOR SHEET METAL
- Publication number 20190308236
- Publication date Oct 10, 2019
- Star Co., Ltd.
- Kosei Ishihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...