Yoshinori Karatsu

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Takahagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of maintaining housing of reactor pressure vessel and heat t...
- Patent number 5,329,099
- Issue date Jul 12, 1994
- Hitachi, Ltd.
- Kunio Enomoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of connecting superconducting wires
- Patent number 4,794,688
- Issue date Jan 3, 1989
- Hitachi, Ltd.
- Takeshi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of treating a workpiece with electron beams and apparatus th...
- Patent number 4,327,273
- Issue date Apr 27, 1982
- Hitachi, Ltd.
- Hisanao Kita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electron beam welding machine
- Patent number 4,317,022
- Issue date Feb 23, 1982
- Hitachi, Ltd.
- Hisanao Kita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR