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Inventor

Takehiro Akiyama

Inventor
Kasugai, JP

Overview

11→
Patents
1984–1996
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H03Kprimary
H03KPulse technique38%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses25%
G01RMeasuring electric variables6%
H03JTuning resonant circuits6%
H04NPictorial communication, e.g. television6%
H10DInorganic electric semiconductor devices6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,534,821'Charge pump circuits for PLL frequency synthesizer'19965,410,571'PLL frequency synthesizer circuit'19955,287,019'ECL to CMOS level conversion circuit'19945,180,992'PLL frequency synthesizer having a power saving circuit'19935,047,733'PLL synthesizer providing rapid frequency changeover'19914,897,560'Semiconductor integrated circuit with reduced power consumption'19904,755,693'ECL latch circuit insensitive to alpha ray disturbances'19884,748,488'Master-slice-type semiconductor integrated circuit device'19884,645,958'Variable delay gate circuit'19874,481,427'TTL Circuit having delay means for delaying the operation until the supply voltage reaches a certain threshold'19844,447,704'Semiconductor device for driving thermal print heads'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1996Patents assigned to FUJITSU LTD (11)· patent assignee history
1984Based in Yokohama, JP· patent location history
1987–1988Based in Kawasaki, JP· patent location history
1990–1995Patents assigned to FUJITSU VLSI LTD (4)· patent assignee history
1990–1996Based in Kasugai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD111984–1996
FUJITSU VLSI LTD41990–1995
Locations
LocationPatentsSpan
Kasugai, JP61990–1996
Kawasaki, JP31987–1988
Yokohama, JP21984