Takashi MARUYAMA

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Laminated iron core and manufacturing method of laminated iron core
- Patent number 11,632,023
- Issue date Apr 18, 2023
- Mitsui High-Tec, Inc.
- Hirokazu Arakawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for manufacturing laminated iron core and method for manufac...
- Patent number 11,524,327
- Issue date Dec 13, 2022
- Mitsui High-Tec, Inc.
- Takashi Maruyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Laminated iron core and manufacturing method of laminated iron core
- Patent number 10,581,303
- Issue date Mar 3, 2020
- Mitsui High-Tec, Inc.
- Hirokazu Arakawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR MANUFACTURING LAMINATED IRON CORE AND METHOD FOR MANUFAC...
- Publication number 20210091644
- Publication date Mar 25, 2021
- MITSUI HIGH-TEC, INC.
- Takashi MARUYAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
DEVICE FOR MANUFACTURING LAMINATED IRON CORE AND METHOD FOR MANUFAC...
- Publication number 20210060635
- Publication date Mar 4, 2021
- MITSUI HIGH-TEC, INC.
- Takashi MARUYAMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
LAMINATED IRON CORE AND MANUFACTURING METHOD OF LAMINATED IRON CORE
- Publication number 20200161942
- Publication date May 21, 2020
- MITSUI HIGH-TEC, INC.
- Hirokazu ARAKAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
LAMINATED IRON CORE AND MANUFACTURING METHOD OF LAMINATED IRON CORE
- Publication number 20160285325
- Publication date Sep 29, 2016
- MITSUI HIGH-TEC, INC.
- Hirokazu ARAKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER