Akira Yonezawa

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Chiba-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Electron beam apparatus
- Publication number 20030230714
- Publication date Dec 18, 2003
- Akira Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron beam apparatus
- Publication number 20030218135
- Publication date Nov 27, 2003
- Mitsuyoshi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electromagnetic field superimposed lens and electron beam device us...
- Publication number 20020096641
- Publication date Jul 25, 2002
- Akira Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Scanning electronic beam apparatus
- Publication number 20020088941
- Publication date Jul 11, 2002
- Akira Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron beam apparatus
- Publication number 20010011702
- Publication date Aug 9, 2001
- Akira Yonezawa
- H01 - BASIC ELECTRIC ELEMENTS