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Inventor

Keitaro Sekine

Inventor
Tokyo, JP

Overview

2→
Patents
2004–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

G06Kprimary
G06KGraphical data reading33%
H03FAmplifiers33%
H03JTuning resonant circuits33%
PatentTitleYear
7,171,178'Tuning circuit having amplitude-varying function'20076,791,413'Variable gain amplifier with a gain exhibiting a linear in dB characteristic relative to a control voltage'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to RENESAS TECH CORP (1)· patent assignee history
2004–2007Based in Tokyo, JP· patent location history
2007Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENESAS TECH CORP12004
SANYO ELECTRIC CO12007
Locations
LocationPatentsSpan
Tokyo, JP22004–2007