Inventor

Yukio Horiuchi

Inventor
Saitama, JP

Overview

28→
Patents
1991–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission47%
G01MTesting static or dynamic balance of machines or structures11%
H04JMultiplex communication11%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04QSelecting5%
A61FFilters implantable into blood vessels3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
PatentTitleYear
8,126,333'Optical transmission system and synchronization method using time reference pulse'20128,100,980'Artificial elbow joint'20127,551,854'Method to provide caller\'s location in IP phone system, optical transmission system, optical connector, and optical network unit'20097,310,315'Node judging method, communication system, and node measuring apparatus'20077,158,728'Optical repeating system and optical amplifying repeater control method'20077,142,787'Optical data transmission method and its system, optical transmitter and its method, and optical switcher'20067,130,544'Optical repeating system and optical amplifying repeater control method'20066,914,718'Optical repeating system and optical amplifying repeater control method'20056,867,908'Optical amplifier having various control circuitry'20056,804,469'Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system'20046,614,588'Optical amplifier having various control circuitry'20036,594,003'Measuring system of transmission characteristics'20036,556,325'Optical repeater monitoring system and a method thereof'20036,201,599'Optical transmission line monitoring apparatus'20016,188,508'Control signal superimposer'20016,185,020'Apparatus for detecting a fault location in an optical fiber line'20016,160,649'Optical power measuring system terminal station and repeater therefor'20005,903,375'Surveillance method of optical communication line'19995,898,502'Optical wavelength monitoring apparatus'19995,877,878'Surveillance method of optical amplifier-repeater transmission system'19995,790,294'Line monitoring method and line monitoring apparatus'19985,771,255'Laser light generator'19985,726,789'Method and device for modulating optical short pulses'19985,539,557'Supervisory signal receiving method and apparatus'19965,463,461'Coherent optical receiver having optically amplified local oscillator signal'19955,406,368'Method and apparatus for chromatic dispersion measurements'19955,138,621'Pumping light source drive system for an optical amplifier'19924,984,884'Method for measuring dispersion characteristics of an optical fiber'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (13)· patent assignee history
1992–1999Based in Niza, JP· patent location history
1998–2001Based in Tokyo, JP· patent location history
1999–2005Patents assigned to KDD SUBMARINE CABLE SYS INC (7)· patent assignee history
2001–2005Patents assigned to KDD CORP (5)· patent assignee history
2001–2009Based in Kamifukuoka, JP· patent location history
2003–2012Based in Saitama, JP· patent location history
2004–2012Patents assigned to KDDI CORP (5)· patent assignee history
2005–2007Patents assigned to KDDI SUBMARINE CABLE SYS INC (3)· patent assignee history
2012Based in Koto-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOKUSAI DENSHIN DENWA CO LTD131991–2001
KDD SUBMARINE CABLE SYS INC71999–2005
KDD CORP52001–2005
KDDI CORP52004–2012
KDDI SUBMARINE CABLE SYS INC32005–2007
Locations
LocationPatentsSpan
Saitama, JP72003–2012
Niza, JP71992–1999
Kamifukuoka, JP62001–2009
Tokyo, JP51998–2001
Koto-ku, JP12012