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Inventor

Koji Nakamuta

Inventor
Kawasaki, JP

Overview

15→
Patents
2001–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses43%
H04BTransmission19%
H04LTransmission of digital information, e.g. telegraphic communication14%
H03JTuning resonant circuits10%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
G05DSystems for controlling or regulating non-electric variables5%
H03KPulse technique5%
PatentTitleYear
11,035,363Vane pump20219,496,966'Optical communication receiving device and frequency offset compensation method'20169,444,554'Digital coherent receiving apparatus'20168,693,898'Adaptive equalizer, optical receiver, and tap coefficient correcting method'20148,649,689'Digital coherent receiving apparatus'20148,536,911'PLL circuit, method of controlling PLL circuit, and digital circuit'20138,488,062'Analog-digital converting apparatus and clock signal output apparatus'20138,436,665'Digital PLL circuit and clock generating method'20138,183,940'Temperature control device'20127,664,217'Digital PLL circuit'20107,417,477'PLL circuit'20087,368,962'Clock supply device'20087,355,457'Frequency synthesizer'20087,330,057'DPLL circuit having holdover function'20086,300,841'Atomic oscillator utilizing a high frequency converting circuit and an active, low-integral-number multiplier'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2016Patents assigned to FUJITSU LTD (14)· patent assignee history
2001–2016Based in Kawasaki, JP· patent location history
2012–2014Patents assigned to NAKAMUTA KOJI (5)· patent assignee history
2012–2013Patents assigned to KOYAMA YOSHITO (3)· patent assignee history
2013–2016Based in Yokohama, JP· patent location history
2014Patents assigned to KOIZUMI NOBUKAZU (2)· patent assignee history
2014Patents assigned to NAKASHIMA HISAO (2)· patent assignee history
2021Based in Toyota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD142001–2016
NAKAMUTA KOJIself52012–2014
KOYAMA YOSHITO32012–2013
KOIZUMI NOBUKAZU22014
NAKASHIMA HISAO22014
Locations
LocationPatentsSpan
Kawasaki, JP122001–2016
Yokohama, JP22013–2016
Toyota, JP12021