Inventor
Kiyoshi Fukuchi
Inventor
Tokyo, JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission42%
H04JMultiplex communication13%
G11BInformation storage based on relative movement between record carrier and transducer8%
H04LTransmission of digital information, e.g. telegraphic communication8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
B62KCycles3%
B23PMetal-working not otherwise provided for2%
B60GVehicle suspension arrangements2%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%
B62JCycle saddles or seats2%
PatentTitleYear
10,530,491Coherent optical receiver, device and method for detecting inter-lane skew in coherent optical receiver20209,686,019'Coherent optical receiver, device and method for detecting inter-lane skew in coherent optical receiver'20179,319,141'Optical transmitting/receiving system and timing extracting method in optical transmitting/receiving system'20169,246,599'Coherent optical receiver, apparatus and method for detecting interchannel skew in coherent optical receiver'20169,184,905'Phase compensation receiver'20159,166,697'Optical transmitter and method for controlling the same'20159,160,459'Equalization signal processor, optical receiver including the same, and method for equalization signal processing'20159,088,370'Coherent optical receiver, apparatus and method for detecting inter-channel skew in coherent optical receiver'20159,014,574'Optical receiver, polarization demultiplexer, and optical receiving method'20158,989,599'Optical communication system with monitor functions and monitoring method therefor'20158,971,723'Method of and system for detecting skew between parallel signals'20158,971,702'Method and apparatus for detecting chromatic dispersion, and method and apparatus for compensating chromatic dispersion'20158,953,953'Coherent optical receiver, apparatus and method for detecting inter-channel skew in coherent optical receiver'20158,909,060'Optical communication system and optical communication method'20148,693,880'Wavelength path communication node apparatus, wavelength path communication control method, and recording medium'20148,639,114'DPSK modulation-demodulation method, and optical communication device and optical communication system using the same'20148,634,727'Coherent optical receiver, apparatus and method for detecting interchannel skew in coherent optical receiver'20148,626,000'Coherent optical receiver, apparatus and method for detecting inter-channel skew in coherent optical receiver'20148,515,293'Coherent receiver'20138,472,812'Optical communication system, optical communication method and optical communication apparatus'20138,346,099'Optical reception device and optical reception method'20138,320,779'Light receiver, optical communication system and method'20128,204,387'Optical modulator and optical communication system'20128,165,477'Light receiving apparatus using DQPSK demodulation method, and DQPSK demodulation method'20128,085,634'Optical disk drive, and method for determining recording strategy'20117,949,260'Evaluation and adjustment method of optical receiver and optical communication system'20117,126,321'Apparatus and method for measuring transmission delay time of a signal propagation path between printed circuit boards'20067,050,374'Optical disk apparatus'20067,043,112'Optical wavelength-multiplexing technique'20066,687,207'Optical recording apparatus for recording information on a write-once disk or an erasable optical disk'20046,097,576'Magnetic head'20005,745,613'Wavelength-division multiplexing optical communication apparatus and method therefor'19985,712,105'Monoclonal antibody to human glicentin, hybridoma for producing said antibody and assay method for human glicentin using said antibody'19985,652,807'Semiconductor optical modulator'19975,309,628'Assembling position adjusting mechanism of a spindle motor for a magnetic disk apparatus'19944,653,762'Fuel tank and fuel feed system for a motorcycle'19874,489,803'Rear suspension system for motorcycles'19844,485,885'Rear suspension system for two-wheeled vehicles'19844,140,334'Suspension apparatus for a vehicle'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Based in Saitama, JP· patent location history
1994–2000Based in Musashino, JP· patent location history
1997–2020Patents assigned to NEC CORP (29)· patent assignee history
1997–2020Based in Tokyo, JP· patent location history
2011–2017Patents assigned to FUKUCHI KIYOSHI (23)· patent assignee history
2011Based in Nerima-ku, JP· patent location history
2012–2015Based in Minato-ku, JP· patent location history
2013–2017Patents assigned to YASUDA WAKAKO (6)· patent assignee history
2014–2017Patents assigned to ABE JUNICHI (5)· patent assignee history
2015–2016Patents assigned to LE TAILLANDIER DE GABORY EMMANUEL (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 29 | 1997–2020 |
| FUKUCHI KIYOSHIself | 23 | 2011–2017 |
| LE TAILLANDIER DE GABORY EMMANUEL | 7 | 2015–2016 |
| YASUDA WAKAKO | 6 | 2013–2017 |
| ABE JUNICHI | 5 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 28 | 1997–2020 |
| Minato-ku, JP | 4 | 2012–2015 |
| Musashino, JP | 2 | 1994–2000 |
| Saitama, JP | 2 | 1984 |
| Nerima-ku, JP | 1 | 2011 |