Doukei Choo

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Amagasaki, JP

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Patents Grantslast 30 patents

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Microwave excited gas laser apparatus
- Patent number 5,781,579
- Issue date Jul 14, 1998
- Matsushita Electric Industrial Co., Ltd.
- Doukei Choo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas laser apparatus with gas circulation arrangement
- Patent number 5,727,011
- Issue date Mar 10, 1998
- Matsushita Electric Industrial Co., Ltd.
- Doukei Choo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas laser oscillating apparatus for discharging laser beam by excit...
- Patent number 5,706,305
- Issue date Jan 6, 1998
- Matsushita Electric Industrial Co., Ltd.
- Shigeki Yamane
- H01 - BASIC ELECTRIC ELEMENTS