P

Inventor

INOUE YASUYUKI

JP62 patents
⚠️ This page may combine multiple inventors who share the name “INOUE YASUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

27 patents
US5546483AAug 13, 1996

Integrated optical waveguide circuit and optical branch line test system using the same

NIPPON TELEGRAPH & TELEPHONE114 citations97
US6480639B2Nov 12, 2002

Optical module

NIPPON TELEGRAPH & TELEPHONE62 citations96
US6320888B1Nov 20, 2001

Frequency stabilized laser and method for preparing thereof

NIPPON TELEGRAPH & TELEPHONE75 citations96
US6115514ASep 5, 2000

Optical waveplate, method of manufacturing the same, and waveguide device using the same

NIPPON TELEGRAPH & TELEPHONE36 citations96
US5901259AMay 4, 1999

Optical waveplate, method of manufacturing the same, and waveguide device using the same

NIPPON TELEGRAPH & TELEPHONE33 citations96
US5694496ADec 2, 1997

Optical waveplate and A method of manufacturing the optical waveplate

NIPPON TELEGRAPH & TELEPHONE42 citations96
US6304687B1Oct 16, 2001

Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit

NIPPON TELEGRAPH & TELEPHONE82 citations95
US6084050AJul 4, 2000

Thermo-optic devices

NIPPON TELEGRAPH & TELEPHONE74 citations95
US6072920AJun 6, 2000

Optical waveplate, method of manufacturing the same, and waveguide device using the same

NIPPON TELEGRAPH & TELEPHONE17 citations93
US7899279B2Mar 1, 2011

Optical delay line interferometer

NIPPON TELEGRAPH & TELEPHONE23 citations92
US7536108B2May 19, 2009

High precision chromatic dispersion measuring method and automatic dispersion compensating optical link system that uses this method

NIPPON TELEGRAPH & TELEPHONE30 citations92
US7085438B2Aug 1, 2006

Optical multi/demultiplexing circuit equipped with phase generating device

NIPPON TELEGRAPH & TELEPHONE25 citations92
US6937797B2Aug 30, 2005

Planar lightwave circuit and optical circuit

NIPPON TELEGRAPH & TELEPHONE20 citations92
US6757454B2Jun 29, 2004

Polarization desensitized optical waveguide interferometer

NIPPON TELEGRAPH & TELEPHONE19 citations92
US6546161B2Apr 8, 2003

No polarization dependent waveguide type optical circuit

NIPPON TELEGRAPH & TELEPHONE32 citations92
US5940548AAug 17, 1999

Guided-wave circuit with optical characteristics adjusting plate, method for producing it, and apparatus for producing optical characteristics adjusting plate

NIPPON TELEGRAPH & TELEPHONE41 citations92
US5117470AMay 26, 1992

Guided-wave optical circuit and method for adjusting a characteristic thereof

NIPPON TELEGRAPH & TELEPHONE54 citations92
US5327517AJul 5, 1994

Guided-wave circuit module and wave-guiding optical component equipped with the module

NIPPON TELEGRAPH & TELEPHONE40 citations91
US7245793B2Jul 17, 2007

Optical waveguide circuit

NIPPON TELEGRAPH & TELEPHONE11 citations84
US8369666B2Feb 5, 2013

Optical wavelength multiplexing/ de-multiplexing circuit

NIPPON TELEGRAPH & TELEPHONE15 citations82
US6580862B2Jun 17, 2003

Optical waveguide circuit

NIPPON TELEGRAPH & TELEPHONE19 citations82
US6823094B2Nov 23, 2004

Interferometer and its fabrication method

NIPPON TELEGRAPH & TELEPHONE12 citations74
US6735358B2May 11, 2004

Optical multiplexer and optical demultiplexer

NIPPON TELEGRAPH & TELEPHONE10 citations73
US6731828B2May 4, 2004

Waveguide-type optical signal processing circuit

NIPPON TELEGRAPH & TELEPHONE9 citations71
US6904204B2Jun 7, 2005

Array waveguide diffraction grating type optical multiplexer/demultiplexer

NIPPON TELEGRAPH & TELEPHONE10 citations68
US7389033B2Jun 17, 2008

Planar lightwave circuit type variable optical attenuator

NIPPON TELEGRAPH & TELEPHONE5 citations62
US6775454B2Aug 10, 2004

Silica-based optical waveguide circuit and fabrication method thereof

NIPPON TELEGRAPH & TELEPHONE5 citations62

YASKAWA DENKI SEISAKUSHO KK

6 patents

NTN TOYO BEARING CO LTD

5 patents

HITACHI LTD

2 patents

RENESAS ELECTRONICS CORP

2 patents

SEIKO EPSON CORP

1 patent

NASU YUSUKE

1 patent

SONY CORP

1 patent

ANDO SHINGO

1 patent

KAMEI SHIN

1 patent

KAMIYA YOSUKE

1 patent

MITSUBISHI HEAVY IND LTD

1 patent

RENESAS TECH CORP

1 patent

Showing the top 50 of 62 patents by PatentIndex Score.