Tomoyuki Kikugawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser capable of coupling with single mode optical fi...
- Patent number 7,483,470
- Issue date Jan 27, 2009
- Anritsu Corporation
- Yasuaki Nagashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributed feedback semiconductor laser for outputting beam of sin...
- Patent number 7,065,123
- Issue date Jun 20, 2006
- Anritsu Corporation
- Hiroshi Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device in which high-power light outpu...
- Patent number 6,987,285
- Issue date Jan 17, 2006
- Anritsu Corporation
- Yasuaki Nagashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser attaining high efficiency and high power, and m...
- Patent number 6,697,407
- Issue date Feb 24, 2004
- Anritsu Corporation
- Yasuaki Nagashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Isopotomer absorption spectral analyzer and its method
- Patent number 6,611,333
- Issue date Aug 26, 2003
- Japan Science and Technology Corporation
- Kiyoji Uehara
- G01 - MEASURING TESTING
Information Patent Grant
Semiconductor laser having effective output increasing function
- Patent number 6,351,479
- Issue date Feb 26, 2002
- Anritsu Corporation
- Hiroshi Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for measuring spectral power of a light beam
- Patent number 4,758,086
- Issue date Jul 19, 1988
- Anritsu Corporation
- Youji Sonobe
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor laser capable of coupling with single mode optical fi...
- Publication number 20060285560
- Publication date Dec 21, 2006
- Yasuaki Nagashima
- G02 - OPTICS
Information Patent Application
Variable-wavelength semiconductor laser and gas sensor using same
- Publication number 20060187976
- Publication date Aug 24, 2006
- Hiroshi Mori
- G01 - MEASURING TESTING
Information Patent Application
Optical semiconductor device and its manufacturing method
- Publication number 20060166386
- Publication date Jul 27, 2006
- Atsushi Yamada
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor light emitting device in which high-power light outpu...
- Publication number 20040089866
- Publication date May 13, 2004
- Yasuaki Nagashima
- B82 - NANO-TECHNOLOGY
Information Patent Application
Distributed feedback semiconductor laser for outputting beam of sin...
- Publication number 20040001522
- Publication date Jan 1, 2004
- Anritsu Corporation
- Hiroshi Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser attaining high efficiency and high power, and m...
- Publication number 20020118717
- Publication date Aug 29, 2002
- Anritsu Corporation
- Yasuaki Nagashima
- H01 - BASIC ELECTRIC ELEMENTS

Tomoyuki Kikugawa

Person

Patents Grantslast 30 patents

Semiconductor laser capable of coupling with single mode optical fi...

Distributed feedback semiconductor laser for outputting beam of sin...

Semiconductor light emitting device in which high-power light outpu...

Semiconductor laser attaining high efficiency and high power, and m...

Isopotomer absorption spectral analyzer and its method

Semiconductor laser having effective output increasing function

Apparatus for measuring spectral power of a light beam

Patents Applicationslast 30 patents

Semiconductor laser capable of coupling with single mode optical fi...

Variable-wavelength semiconductor laser and gas sensor using same

Optical semiconductor device and its manufacturing method

Semiconductor light emitting device in which high-power light outpu...

Distributed feedback semiconductor laser for outputting beam of sin...

Semiconductor laser attaining high efficiency and high power, and m...