Haruhiko Tabuchi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical device and light control method
- Patent number 7,587,112
- Issue date Sep 8, 2009
- Fujitsu Limited
- Haruhiko Tabuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength selective and level adjusting optical device
- Patent number 7,428,355
- Issue date Sep 23, 2008
- Fujitsu Limited
- Koji Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device with slab waveguide and channel waveguides on substrate
- Patent number 7,400,793
- Issue date Jul 15, 2008
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical device with slab waveguide and channel waveguides on substrate
- Patent number 7,386,206
- Issue date Jun 10, 2008
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical fiber device, optical monitor and optical switch
- Patent number 7,313,301
- Issue date Dec 25, 2007
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical switching device and optical member unit
- Patent number 7,289,695
- Issue date Oct 30, 2007
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 7,239,770
- Issue date Jul 3, 2007
- Fujitsu Limited
- Koji Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical demultiplexing device and optical monitoring device
- Patent number 7,130,504
- Issue date Oct 31, 2006
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Wavelength division demultiplexing apparatus
- Patent number 7,020,358
- Issue date Mar 28, 2006
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical switching device
- Patent number 6,978,061
- Issue date Dec 20, 2005
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical device, polarization monitor and optical switch
- Patent number 6,965,717
- Issue date Nov 15, 2005
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Arrayed waveguide grating type wavelength division demultiplexer
- Patent number 6,920,264
- Issue date Jul 19, 2005
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Wavelength multiplexing/demultiplexing apparatus
- Patent number 6,813,415
- Issue date Nov 2, 2004
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Wavelength division demultiplexing apparatus
- Patent number 6,810,167
- Issue date Oct 26, 2004
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Waveguide optical device
- Patent number 6,807,354
- Issue date Oct 19, 2004
- Fujitsu Limited
- Goji Nakagawa
- G02 - OPTICS
Information Patent Grant
Optical transmitting and receiving device and the manufacturing method
- Patent number 6,579,739
- Issue date Jun 17, 2003
- Fujitsu Limited
- Koji Terada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitting and receiving device and the manufacturing method
- Patent number 6,552,366
- Issue date Apr 22, 2003
- Fujitsu Limited
- Koji Terada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device with optical waveguides and manufacturing method the...
- Patent number 6,529,647
- Issue date Mar 4, 2003
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device and a method of manufacturing the same
- Patent number 6,238,943
- Issue date May 29, 2001
- Fujitsu Limited
- Hirohiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Optical coupler optically coupling a light beam of a semiconductor...
- Patent number 6,112,002
- Issue date Aug 29, 2000
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Wavelength division multiplexing optical device and manufacturing m...
- Patent number 6,085,000
- Issue date Jul 4, 2000
- Fujitsu Limited
- Kazuhiro Tanaka
- G02 - OPTICS
Information Patent Grant
Multiwavelength light source
- Patent number 6,038,242
- Issue date Mar 14, 2000
- Fujitsu Limited
- Tsuyoshi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device and a method of manufacturing the same
- Patent number 5,987,046
- Issue date Nov 16, 1999
- Fujitsu Limited
- Hirohiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Optical coupling structure and a fabrication process thereof
- Patent number 5,909,524
- Issue date Jun 1, 1999
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device for changing a beam diameter
- Patent number 5,787,106
- Issue date Jul 28, 1998
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Integrated semiconductor optical devices and method of manufacture...
- Patent number 5,764,832
- Issue date Jun 9, 1998
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 5,757,999
- Issue date May 26, 1998
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Optical parts fixing apparatus and method of manufacturing the same
- Patent number 5,671,315
- Issue date Sep 23, 1997
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Integrated semiconductor optical devices and method of manufacture...
- Patent number 5,644,667
- Issue date Jul 1, 1997
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Grant
Hybrid type integrated optical device having double-layered substrate
- Patent number 5,611,006
- Issue date Mar 11, 1997
- Fujitsu Limited
- Haruhiko Tabuchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH SELECTIVE AND LEVEL ADJUSTING OPTICAL DEVICE
- Publication number 20070258678
- Publication date Nov 8, 2007
- FUJITSU LIMITED
- Koji TERADA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical device
- Publication number 20060274994
- Publication date Dec 7, 2006
- Koji Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical device with slab waveguide and channel waveguides on substrate
- Publication number 20060257091
- Publication date Nov 16, 2006
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Optical demultiplexing device and optical monitoring device
- Publication number 20060215960
- Publication date Sep 28, 2006
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Optical switching device and optical member unit
- Publication number 20060120662
- Publication date Jun 8, 2006
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Optical device and light control method
- Publication number 20060104181
- Publication date May 18, 2006
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical fiber device, optical monitor and optical switch
- Publication number 20060093264
- Publication date May 4, 2006
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Wavelength division demultiplexing apparatus
- Publication number 20040234203
- Publication date Nov 25, 2004
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Optical device with slab waveguide and channel waveguides on substrate
- Publication number 20040151432
- Publication date Aug 5, 2004
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Wavelength multiplexing/demultiplexing apparatus
- Publication number 20030228105
- Publication date Dec 11, 2003
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Arrayed waveguide grating type wavelength division demultiplexer
- Publication number 20030228104
- Publication date Dec 11, 2003
- FUJITSU LIMITED
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Waveguide optical device
- Publication number 20030123831
- Publication date Jul 3, 2003
- FUJITSU LIMITED
- Goji Nakagawa
- G02 - OPTICS
Information Patent Application
Wavelength division demultiplexing apparatus
- Publication number 20030081898
- Publication date May 1, 2003
- Haruhiko Tabuchi
- G02 - OPTICS
Information Patent Application
Optical tansmitting and receiving device and the manufacturing method
- Publication number 20020027230
- Publication date Mar 7, 2002
- FUJITSU LIMITED
- Koji Terada
- G02 - OPTICS
Information Patent Application
Optical device with optical waveguides and manufacturing method the...
- Publication number 20010024537
- Publication date Sep 27, 2001
- FUJITSU LIMMITED
- Haruhiko Tabuchi
- G02 - OPTICS

Haruhiko Tabuchi

Person

Patents Grantslast 30 patents

Optical device and light control method

Wavelength selective and level adjusting optical device

Optical device with slab waveguide and channel waveguides on substrate

Optical device with slab waveguide and channel waveguides on substrate

Optical fiber device, optical monitor and optical switch

Optical switching device and optical member unit

Optical device

Optical demultiplexing device and optical monitoring device

Wavelength division demultiplexing apparatus

Optical switching device

Optical device, polarization monitor and optical switch

Arrayed waveguide grating type wavelength division demultiplexer

Wavelength multiplexing/demultiplexing apparatus

Wavelength division demultiplexing apparatus

Waveguide optical device

Optical transmitting and receiving device and the manufacturing method

Optical transmitting and receiving device and the manufacturing method

Optical device with optical waveguides and manufacturing method the...

Optical semiconductor device and a method of manufacturing the same

Optical coupler optically coupling a light beam of a semiconductor...

Wavelength division multiplexing optical device and manufacturing m...

Multiwavelength light source

Optical semiconductor device and a method of manufacturing the same

Optical coupling structure and a fabrication process thereof

Optical semiconductor device for changing a beam diameter

Integrated semiconductor optical devices and method of manufacture...

Optical device

Optical parts fixing apparatus and method of manufacturing the same

Integrated semiconductor optical devices and method of manufacture...

Hybrid type integrated optical device having double-layered substrate

Patents Applicationslast 30 patents

WAVELENGTH SELECTIVE AND LEVEL ADJUSTING OPTICAL DEVICE

Optical device

Optical device with slab waveguide and channel waveguides on substrate

Optical demultiplexing device and optical monitoring device

Optical switching device and optical member unit

Optical device and light control method

Optical fiber device, optical monitor and optical switch

Wavelength division demultiplexing apparatus

Optical device with slab waveguide and channel waveguides on substrate

Wavelength multiplexing/demultiplexing apparatus

Arrayed waveguide grating type wavelength division demultiplexer

Waveguide optical device

Wavelength division demultiplexing apparatus

Optical tansmitting and receiving device and the manufacturing method

Optical device with optical waveguides and manufacturing method the...