Hisashi Kitagawa

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Patents Grantslast 30 patents

Information Patent Grant
Welding device and welding method
- Patent number 11,167,368
- Issue date Nov 9, 2021
- Mayekawa Mfg. Co., Ltd.
- Hisashi Kitagawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding device
- Patent number 10,792,748
- Issue date Oct 6, 2020
- Mayekawa Mfg. Co., Ltd.
- Hisashi Kitagawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for surface processing using ice slurry
- Patent number 6,328,631
- Issue date Dec 11, 2001
- Mayekawa Mfg. Co., Ltd.
- Shuji Fukano
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
WELDING DEVICE
- Publication number 20190232410
- Publication date Aug 1, 2019
- Mayekawa Mfg. Co., Ltd.
- Hisashi KITAGAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING DEVICE AND WELDING METHOD
- Publication number 20190151977
- Publication date May 23, 2019
- Mayekawa Mfg. Co., Ltd.
- Hisashi KITAGAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR