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Inventor

Tatsunori Onzuka

Inventor
Sayama, JP

Overview

7→
Patents
2000–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H03Bprimary
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner57%
H03HImpedance networks, e.g. resonant circuits29%
H01PWaveguides14%
PatentTitleYear
8,648,672'Filter, portable terminal and electronic component'20148,547,183'Voltage controlled oscillator'20138,416,028'Voltage controlled oscillator and electronic component'20138,289,093'Voltage controlled oscillator'20128,283,989'Voltage controlled oscillator'20127,034,638'SAW filter'20066,064,280'Delay line with shaped conductors minimizing signal reflections'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Based in Tokyo, JP· patent location history
2006–2014Patents assigned to NIHON DEMPA KOGYO CO (6)· patent assignee history
2006Based in Kanagawa, JP· patent location history
2012–2014Patents assigned to ONZUKA TATSUNORI (5)· patent assignee history
2012–2013Patents assigned to TSUDA TOSHIMASA (4)· patent assignee history
2012–2013Patents assigned to HOSHIGAMI HIROSHI (3)· patent assignee history
2012–2013Patents assigned to KAWAHATA KENJI (3)· patent assignee history
2012–2014Based in Sayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIHON DEMPA KOGYO CO62006–2014
ONZUKA TATSUNORIself52012–2014
TSUDA TOSHIMASA42012–2013
HOSHIGAMI HIROSHI32012–2013
KAWAHATA KENJI32012–2013
Locations
LocationPatentsSpan
Sayama, JP52012–2014
Kanagawa, JP12006
Tokyo, JP12000