Nakai; Sadao

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Solid-state laser amplifier
- Patent number 5,872,804
- Issue date Feb 16, 1999
- Hamamatsu Photonics K.K.
- Hirofumi Kan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Birefringence distribution measuring method
- Patent number 5,587,793
- Issue date Dec 24, 1996
- Nakai; Sadao
- Sadao Nakai
- G01 - MEASURING TESTING
Information Patent Grant
Focusing optical system for semiconductor lasers
- Patent number 5,465,178
- Issue date Nov 7, 1995
- Olympus Optical Co., Ltd.
- Sadao Nakai
- G02 - OPTICS