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Inventor

Tetsuo Kawasaki

Inventor
Osaka, JP

Overview

10→
Patents
1984–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits46%
Y10TTechnical subjects covered by former us classification15%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines8%
F04BPositive-displacement machines for liquids8%
G01KMeasuring temperature8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G01RMeasuring electric variables8%
PatentTitleYear
10,094,871Electronic-component testing device20189,322,809'Elastic wave sensor'20167,855,619'Electronic part and electronic equipment with electronic part'20107,538,636'Electronic part with a comb electrode and protective film and electronic equipment including same'20097,109,828'Surface acoustic wave device, and mobile communication device and sensor both using same'20066,992,424'Piezoelectric vibrator ladder-type filter using piezoeletric vibrator and double-mode piezolectric filter'20066,909,341'Surface acoustic wave filter utilizing a layer for preventing grain boundary diffusion'20056,891,449'Antenna duplexer'20054,770,084'Parallel swash plate type fluid machines'19884,481,867'Axial plunger pump or motor'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1988Patents assigned to MITSUBISHI HEAVY IND LTD (2)· patent assignee history
1984–1988Based in Nagoya, JP· patent location history
2005–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
2005–2016Based in Osaka, JP· patent location history
2009–2016Patents assigned to PANASONIC CORP (3)· patent assignee history
2009–2010Based in Katano, JP· patent location history
2016Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history
2018Patents assigned to MURATA MANUFACTURING CO (1)· patent assignee history
2018Based in Nagaokakyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42005–2006
PANASONIC CORP32009–2016
MITSUBISHI HEAVY IND LTD21984–1988
MURATA MANUFACTURING CO12018
PANASONIC IP MAN CO LTD12016
Locations
LocationPatentsSpan
Osaka, JP52005–2016
Katano, JP22009–2010
Nagoya, JP21984–1988
Nagaokakyo, JP12018