Tsutomu SERIZAWA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a press-molded article, a retainer, and a...
- Patent number 11,161,164
- Issue date Nov 2, 2021
- Unipres Corporation
- Tsutomu Serizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING A PRESS-MOLDED ARTICLE, A RETAINER, AND A...
- Publication number 20210008609
- Publication date Jan 14, 2021
- UNIPRES CORPORATION
- Tsutomu SERIZAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRESS MOLDING DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20200346268
- Publication date Nov 5, 2020
- UNIPRES CORPORATION
- Tsutomu SERIZAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT PRESS FORMING APPARATUS AND HOT PRESS FORMING METHOD
- Publication number 20190247906
- Publication date Aug 15, 2019
- UNIPRES CORPORATION
- Tsutomu SERIZAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...