Yoshio Nakazawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ion laser apparatus
- Patent number 5,315,605
- Issue date May 24, 1994
- NEC Corporation
- Yoshio Nakazawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas laser tube with mask
- Patent number 5,052,014
- Issue date Sep 24, 1991
- NEC Corporation
- Masaaki Hiroshima
- H01 - BASIC ELECTRIC ELEMENTS