Inventor
Dai Matsuoka
Inventor
Tokyo, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Cprimary
H01CResistors38%
C04BLime, magnesia11%
H03HImpedance networks, e.g. resonant circuits9%
C22CAlloys6%
H01FMagnets6%
H01GCapacitors6%
H01JElectric discharge tubes or discharge lamps4%
H02HEmergency protective circuit arrangements4%
H10DInorganic electric semiconductor devices4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
7,994,893'Varistor'20117,995,326'Chip-type electronic component'20117,969,277'Nonlinear resistor ceramic composition, electronic component, and multilayer chip varistor'20117,754,109'Varistor element'20107,724,123'Varistor and method of producing varistor'20107,705,708'Varistor and method of producing the same'20107,683,753'Voltage non-linear resistance ceramic composition and voltage non-linear resistance element'20107,652,554'Multilayer filter'20107,649,435'Multilayer chip varistor'20107,646,578'Filter circuit and filter device'20107,639,470'Varistor element'20097,576,965'Surge absorption element and surge absorption circuit'20097,507,356'Voltage non-linear resistance ceramic composition and voltage non-linear resistance element'20097,505,239'Light emitting device'20097,502,213'Surge absorber'20097,400,485'Surge absorber'20087,167,352'Multilayer chip varistor'20076,813,137'Chip shaped electronic device and a method of producing the same'20046,432,325'Electrode'20026,383,416'Electron-emitting material and preparing process'20026,218,928'PTC thermistor material'20015,994,995'Laminated chip varistor and production method thereof'19995,640,136'Voltage-dependent nonlinear resistor'19975,635,436'Voltage-dependent nonlinear resistor ceramics'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2011Patents assigned to TDK CORP (24)· patent assignee history
1997–2007Based in Akita, JP· patent location history
1997Based in Chiba, JP· patent location history
1999–2001Based in Arlington, MA, US· patent location history
2001Patents assigned to OKADA MASUO (1)· patent assignee history
2002–2011Based in Tokyo, JP· patent location history
2009–2010Based in Nikaho, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 24 | 1997–2011 |
| OKADA MASUO | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 2002–2011 |
| Nikaho, JP | 6 | 2009–2010 |
| Akita, JP | 2 | 1997–2007 |
| Arlington, Massachusetts, US | 2 | 1999–2001 |
| Chiba, JP | 1 | 1997 |