Inventor

Masaaki Katsumata

Inventor

Osaka, JP

Overview

40→

Patents

1976–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 40 as inventor

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

H05Kprimary

H05KPrinted circuits18%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%

H01CResistors8%

H01LSemiconductor devices7%

H10HInorganic light-emitting semiconductor devices having potential barriers7%

Y10TTechnical subjects covered by former us classification7%

Y02PClimate change mitigation technologies in the production or processing of goods5%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%

Y02TClimate change mitigation technologies related to transportation3%

B60TVehicle brake control systems or parts thereof2%

PatentTitleYear

11,112,094Method for manufacturing light-emitting device2021 11,026,335Wiring board manufacturing method and wiring board2021 11,018,288Metal-base substrate and semiconductor device2021 10,851,973Light-emitting device and method for manufacturing same2020 10,757,818Wiring board manufacturing method and wiring board2020 10,586,903Printed board, light emitting device, and method for manufacturing same2020 10,477,692Printed board, light source device, semiconductor device, and methods of manufacturing same2019 10,461,234Metal-base substrate, semiconductor device and method for manufacturing the same2019 10,199,545Substrate for light emitting element and module2019 9,893,242'Light emitting device'2018 8,561,294'Method of manufacturing circuit board'2013 8,446,736'Circuit board and manufacturing method thereof'2013 8,395,056'Multilayer printed wiring board and mounting body using the same'2013 8,393,078'Method of manufacturing circuit board'2013 7,821,795'Multilayer wiring board'2010 7,382,628'Circuit-component-containing module'2008 7,231,712'Method of manufacturing a module'2007 7,187,071'Composite electronic component'2007 7,186,307'Method for manufacturing a ceramic multilayer circuit board'2007 7,164,342'Load sensor and method of manufacturing the load sensor, paste used for the method, and method of manufacturing the paste'2007 6,998,532'Electronic component-built-in module'2006 6,811,634'Method for manufacturing ceramic multi-layered board'2004 6,577,208'Radio frequency filter'2003 6,224,937'Method of manufacturing a zinc oxide varistor'2001 6,018,287'Lateral high-resistance additive for zinc oxide varistor, zinc oxide varistor produced using the same, and process for producing the varistor'2000 5,980,788'Lateral high-resistance additive for zinc oxide varistor, zinc oxide varistor produced using the same, and process for producing the varistor'1999 5,751,771'Waveform data compression apparatus and waveform data expansion apparatus'1998 5,594,406'Zinc oxide varistor and process for the production thereof'1997 5,547,907'Crystallized glass compositions for coating oxide-based ceramics'1996 5,447,892'Crystallized glass compositions for coating oxide-based ceramics'1995 5,338,380'High strength low carbon steel wire rods and method of producing them'1994 5,294,908'Zinc oxide varistor, a method of preparing the same, and a crystallized glass composition for coating'1994 5,258,670'Light triggered & quenched static induction thyristor circuit'1993 4,989,460'Magnetostriction type torque sensor with temperature dependent error compensation'1991 4,855,106'Low alloy steels for use in pressure vessel'1989 4,387,571'Knock control system and method for turbosupercharger installed engines'1983 4,289,102'Engine spark timing controlling device'1981 4,282,841'Ignition timing control system for an internal combustion engine'1981 4,072,945'Radar-operated collision avoidance system for roadway vehicles using stored information for determination of valid objects'1978 3,948,570'Method and system for controlling the braking pressure in response to the rate of variation in wheel speed'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to NISSAN MOTOR (6)· patent assignee history

1976–1983Based in Yokohama, JP· patent location history

1994–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history

1994–1996Based in Neyagawa, JP· patent location history

1997–2008Based in Hirakata, JP· patent location history

1998–2013Based in Osaka, JP· patent location history

2010–2013Patents assigned to PANASONIC CORP (5)· patent assignee history

2013Patents assigned to KATSUMATA MASAAKI (4)· patent assignee history

2018–2021Patents assigned to NICHIA CORP (8)· patent assignee history

2018–2021Based in Anan-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	15	1994–2008
NICHIA CORP	8	2018–2021
NISSAN MOTOR	6	1976–1991
PANASONIC CORP	5	2010–2013
KATSUMATA MASAAKIself	4	2013

Locations

Location	Patents	Span
Osaka, JP	10	1998–2013
Anan-shi, JP	9	2018–2021
Hirakata, JP	8	1997–2008
Yokohama, JP	5	1976–1983
Neyagawa, JP	3	1994–1996