Toyotoshi MACHIDA

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Yamanashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for tuning semiconductor laser
- Patent number 8,681,826
- Issue date Mar 25, 2014
- Sumitomo Electric Device Innovations, Inc.
- Hirokazu Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Testing method of wavelength-tunable laser, controlling method of w...
- Patent number 7,929,581
- Issue date Apr 19, 2011
- Eudyna Devices Inc.
- Tsutomu Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device and method of controlling the same
- Patent number 7,812,594
- Issue date Oct 12, 2010
- Eudyna Devices Inc.
- Tsutomu Ishikawa
- G02 - OPTICS
Information Patent Grant
Method of controlling semiconductor laser
- Patent number 7,813,391
- Issue date Oct 12, 2010
- Eudyna Devices Inc.
- Hirokazu Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TUNING SEMICONDUCTOR LASER
- Publication number 20110228800
- Publication date Sep 22, 2011
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Hirokazu Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER DEVICE AND LASER DEVICE CONTROL DATA
- Publication number 20100296532
- Publication date Nov 25, 2010
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Hirokazu Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TESTING METHOD OF WAVELENGTH-TUNABLE LASER, CONTROLLING METHOD OF W...
- Publication number 20090168817
- Publication date Jul 2, 2009
- EUDYNA DEVICES INC.
- Tsutomu ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF CONTROLLING SEMICONDUCTOR LASER
- Publication number 20090022185
- Publication date Jan 22, 2009
- EUDYNA DEVICES INC.
- Toyotoshi MACHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE AND METHOD OF CONTROLLING THE SAME
- Publication number 20090021238
- Publication date Jan 22, 2009
- EUDYNA DEVICES INC.
- Tsutomu ISHIKAWA
- G02 - OPTICS
Information Patent Application
METHOD OF CONTROLLING SEMICONDUCTOR LASER
- Publication number 20090022186
- Publication date Jan 22, 2009
- EUDYNA DEVICES INC.
- Hirokazu TANAKA
- H01 - BASIC ELECTRIC ELEMENTS