Dan KITAJIMA

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Niwa-Gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crimp securing structure of bolt, crimp securing method for crimp b...
- Patent number 12,000,422
- Issue date Jun 4, 2024
- Aoyama Seisakusho Co., Ltd.
- Dan Kitajima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device and method for fixing nut to inner surface of pipe member
- Patent number 11,878,380
- Issue date Jan 23, 2024
- Aoyama Seisakusho Co., Ltd.
- Dan Kitajima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR FIXING NUT TO INNER SURFACE OF PIPE MEMBER
- Publication number 20230173624
- Publication date Jun 8, 2023
- Aoyama Seisakusho Co., Ltd.
- Dan KITAJIMA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CRIMP SECURING STRUCTURE OF BOLT, CRIMP SECURING METHOD FOR CRIMP B...
- Publication number 20230014756
- Publication date Jan 19, 2023
- Aoyama Seisakusho Co., Ltd.
- Dan KITAJIMA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...