Fumio Koyama

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical modulators as monolithically integrated optical isolators
- Patent number 5,663,824
- Issue date Sep 2, 1997
- Lucent Technologies Inc.
- Thomas L. Koch
- G02 - OPTICS
Information Patent Grant
Method for preparation of monolithically integrated devices
- Patent number 5,432,123
- Issue date Jul 11, 1995
- AT&T Corp.
- Andrew G. Dentai
- B82 - NANO-TECHNOLOGY