Yonemasa Yoshida

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Discharge lamp unit having improved discharge tube mount
- Patent number 5,250,872
- Issue date Oct 5, 1993
- Koito Manufacturing Co., Ltd.
- Yukio Wakimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp device
- Patent number 5,220,235
- Issue date Jun 15, 1993
- Koito Manufacturing Co., Ltd.
- Yukio Wakimizu
- H01 - BASIC ELECTRIC ELEMENTS