Hiroyuki Iizuka

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of measuring the time for forming refractive index grating o...
- Patent number 5,303,032
- Issue date Apr 12, 1994
- Mitsubishi Materials Corporation
- Yoshiaki Uesu
- G02 - OPTICS
Information Patent Grant
Optical switch with piezoelectric bimorph
- Patent number 5,268,974
- Issue date Dec 7, 1993
- Mitsubishi Materials Corporation
- Kazuyasu Hikita
- G02 - OPTICS
Information Patent Grant
Optical scanner
- Patent number 5,253,098
- Issue date Oct 12, 1993
- Mitsubishi Materials Corporation
- Kazuyasu Hikita
- G06 - COMPUTING CALCULATING COUNTING