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Inventor

Hideaki Tokunaga

Inventor
Osaka, JP

Overview

11→
Patents
1997–2015
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.

H01Cprimary
H01CResistors30%
Y10TTechnical subjects covered by former us classification11%
C01GCompounds containing metals not covered by subclasses c01d or c01f7%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds7%
H01TSpark gaps7%
H02HEmergency protective circuit arrangements7%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%
F16LPipes4%
G03GElectrography4%
G11BInformation storage based on relative movement between record carrier and transducer4%
PatentTitleYear
9,001,485'Overvoltage protection component, and overvoltage protection material for overvoltage protection component'20158,345,404'Anti-static part and its manufacturing method'20137,903,385'Static electricity control part and process for manufacturing the same'20117,851,863'Static electricity countermeasure component'20107,142,832'High-frequency device'20067,085,118'Electrostatic discharge protection component'20066,749,891'Zinc oxide varistor and method of manufacturing same'20046,260,258'Method for manufacturing varistor'20015,911,905'Processes for producing hydrated iron oxide and ferromagnetic iron oxide'19995,885,740'Magnetite particles, a process for producing them and applications thereof'19995,592,140'Varistor formed of bismuth and antimony and method of manufacturing same'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1999Based in Yamaguchi, JP· patent location history
2001Based in Chitose, JP· patent location history
2004Based in Hokkaido, JP· patent location history
2006–2015Based in Osaka, JP· patent location history
2006–2010Based in Fukui, JP· patent location history
2010–2013Patents assigned to PANASONIC CORP (3)· patent assignee history
2013–2015Patents assigned to ISEKI TAKESHI (2)· patent assignee history
2013–2015Patents assigned to MORINO TAKASHI (2)· patent assignee history
2013–2015Patents assigned to NOZOE KENJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51997–2006
PANASONIC CORP32010–2013
ISEKI TAKESHI22013–2015
MORINO TAKASHI22013–2015
NOZOE KENJI22013–2015
Locations
LocationPatentsSpan
Osaka, JP42006–2015
Fukui, JP22006–2010
Yamaguchi, JP21999
Hokkaido, JP12004
Chitose, JP12001