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Inventor

Kimitoshi Niratsuka

Inventor
Kawasaki, JP

Overview

13→
Patents
1997–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 13 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 pulses35%
G01RMeasuring electric variables12%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems12%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner12%
H04BTransmission12%
G01KMeasuring temperature6%
G05FSystems for regulating electric or magnetic variables6%
G06FElectric digital data processing6%
PatentTitleYear
9,671,293'Temperature detection circuit and temperature measurement circuit'20179,515,603'Crystal oscillator start-up circuit'20169,263,988'Crystal oscillation circuit'20169,235,672'High-level synthesis data generation apparatus, high-level synthesis apparatus, and high-level synthesis data generation method'20167,405,627'PLL frequency synthesizer'20087,342,436'Bipolar supply voltage generator and semiconductor device for same'20086,876,185'PLL semiconductor device with testability, and method and apparatus for testing same'20056,597,162'PLL semiconductor device with testability, and method and apparatus for testing same'20036,366,767'Local oscillation circuit and a receiving circuit including the local oscillation circuit'20026,317,476'Suppressing channel-dependent spurious signals in fractional-N synthesizer'20015,818,303'Fractional N-frequency synthesizer and spurious signal cancel circuit'19985,640,110'Current supply circuit'19975,606,740'Time delay controlled switching for a DC/DC converter in a selective call device for reducing ripple'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2008Patents assigned to FUJITSU LTD (8)· patent assignee history
1997–2016Based in Kawasaki, JP· patent location history
2016–2017Patents assigned to CYPRESS SEMICONDUCTOR CORP (3)· patent assignee history
2016Patents assigned to SOCIONEXT INC (1)· patent assignee history
2016–2017Based in Kanagawa, JP· patent location history
2016Based in Yokohama, JP· patent location history
2017Patents assigned to SPANSION LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD81997–2008
CYPRESS SEMICONDUCTOR CORP32016–2017
SOCIONEXT INC12016
SPANSION LLC12017
Locations
LocationPatentsSpan
Kawasaki, JP101997–2016
Kanagawa, JP22016–2017
Yokohama, JP12016