Fumio Yoshinaga

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Kudamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Friction stir welding device with detector for detecting torque cur...
- Patent number 6,886,732
- Issue date May 3, 2005
- Hitachi, Ltd.
- Fumio Yoshinaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding method
- Patent number 6,708,867
- Issue date Mar 23, 2004
- Hitachi, Ltd.
- Fumio Yoshinaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Compound machining device and friction stir bonding method
- Patent number 6,708,865
- Issue date Mar 23, 2004
- Hitachi, Ltd.
- Fumio Yoshinaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Compound machining device
- Patent number 6,645,132
- Issue date Nov 11, 2003
- Hitachi, Ltd.
- Fumio Yoshinaga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Scroll type compressor and refrigeration cycle using the same
- Patent number 5,211,031
- Issue date May 18, 1993
- Hitachi, Ltd.
- Akira Murayama
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Compound machining device
- Publication number 20020193217
- Publication date Dec 19, 2002
- Fumio Yoshinaga
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding method
- Publication number 20020190104
- Publication date Dec 19, 2002
- Fumio Yoshinaga
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Friction stir welding device with detector for detecting torque cur...
- Publication number 20020190103
- Publication date Dec 19, 2002
- Fumio Yoshinaga
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Compound machining device and friction stir bonding method
- Publication number 20020050508
- Publication date May 2, 2002
- Fumio Yoshinaga
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC