Hon-Ming Mak

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Directional coupler type optical device and a driving method therefor
- Patent number 5,255,334
- Issue date Oct 19, 1993
- The Furukawa Electric Co., Ltd.
- Hon-Ming Mak
- G02 - OPTICS
Information Patent Grant
Optical directional coupler device and a method of driving same
- Patent number 5,146,518
- Issue date Sep 8, 1992
- The Furukawa Electric Co., Ltd.
- Hon-Ming Mak
- G02 - OPTICS