Inventor

Masao Gamo

Inventor

Takaoka, JP

Overview

1991–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 19 as inventor

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

H03Hprimary

H03HImpedance networks, e.g. resonant circuits73%

H10NElectric solid-state devices not otherwise provided for8%

Y10TTechnical subjects covered by former us classification8%

H01LSemiconductor devices4%

H01RElectrically-conductive connections4%

H05KPrinted circuits4%

PatentTitleYear

10,454,020Crystal vibrator, method for manufacturing the same, and crystal vibration device2019 6,731,187'Dual mode piezoelectric filter with a relay electrode on the casing substrate'2004 6,636,130'Piezoelectric filter with different ratios of unpolarized vibration area to total vibration area in two filter elements'2003 6,466,106'Piezoelectric filter device with a ground electrode that is not centered in the thickness direction of the filter'2002 6,433,654'Laminated piezoelectric component'2002 6,377,135'Piezoelectric resonator and piezoelectric resonant element'2002 6,373,168'Balanced input-output piezoelectric filter'2002 6,274,969'Chip piezoelectric filter'2001 6,134,762'Piezoelectric resonant part and method of manufacturing the same'2000 6,011,451'Chip type piezoelectric filter having internal common electrodes or a shield electrode'2000 6,002,308'Piezoelectric filter with a capacitor on a substrate having an unpolarized portion'1999 5,844,348'Piezoelectric resonant part and method of manufacturing the same'1998 5,808,522'Thickness shear vibration type double mode filter having a passively damped coupling capacitor'1998 5,670,919'Piezoelectric filter'1997 5,484,962'Electrical device provided with three terminals'1996 5,294,860'Piezoelectric filter'1994 5,274,293'Piezoelectric filter'1993 5,084,647'Piezoelectric filter'1992 5,065,066'Piezoelectric resonator'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2019Patents assigned to MURATA MANUFACTURING CO (19)· patent assignee history

1991–2019Based in Nagaokakyo, JP· patent location history

1997–2004Based in Takaoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MURATA MANUFACTURING CO	19	1991–2019

Locations

Location	Patents	Span
Takaoka, JP	10	1997–2004
Nagaokakyo, JP	9	1991–2019