Inventor

Yuichi Takaoka

Inventor

Shiga, JP

Overview

21→

Patents

1985–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 21 as inventor

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

H01Cprimary

H01CResistors35%

H05BElectric heating15%

H04NPictorial communication, e.g. television10%

G01KMeasuring temperature8%

H02HEmergency protective circuit arrangements8%

Y10TTechnical subjects covered by former us classification8%

H01HElectric switches5%

C04BLime, magnesia3%

H01BCables3%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%

PatentTitleYear

6,704,997'Method of producing organic thermistor devices'2004 6,538,318'Semiconductor ceramic for thermistors and chip-type thermistor including the same'2003 6,433,666'Thermistor elements'2002 6,368,734'NTC thermistors and NTC thermistor chips'2002 6,300,861'Organic thermistor device and method of producing same'2001 6,271,538'High-frequency detecting elements and high-frequency heater using the same'2001 6,172,592'Thermistor with comb-shaped electrodes'2001 6,147,330'PTC thermistor elements and heating devices incorporating same'2000 6,037,716'Degaussing circuit with a PTC thermistor'2000 5,990,779'Electronic apparatus and surface mounting devices therefor'1999 5,923,520'Demagnetizing circuit and current limiting device'1999 5,870,269'Demagnetizing circuit'1999 5,793,025'High-frequency detecting elements and high-frequency heater using the same'1998 5,764,470'Rush current suppression circuit'1998 5,686,830'Method of supplying positive temperature coefficient thermistor elements to the receiving and transmitting sides of a communication device'1997 5,557,251'Thermistor with electrodes for preventing inter-electrode migration'1996 5,504,371'Semiconductor ceramic device having a ceramic element with negative temperature coefficient of resistance'1996 5,391,971'Circuit for starting single-phase AC induction motor'1995 5,210,516'PTC thermistor and PTC thermistor producing method, and resistor with a PTC thermistor'1993 4,894,637'Positive temperature coefficient thermistor device'1990 4,504,817'Demagnetizing circuit using a PTC thermistor device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2004Patents assigned to MURATA MANUFACTURING CO (20)· patent assignee history

1985Based in Yokaichi, JP· patent location history

1990–2004Based in Shiga, JP· patent location history

1995–1997Based in Nagaokakyo, JP· patent location history

1996–2000Based in Kyoto, JP· patent location history

1997Patents assigned to MUARATA MANUFACTURING CO LTD (1)· patent assignee history

1999Based in Nishikamo-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MURATA MANUFACTURING CO	20	1985–2004
MUARATA MANUFACTURING CO LTD	1	1997

Locations

Location	Patents	Span
Shiga, JP	14	1990–2004
Kyoto, JP	3	1996–2000
Nagaokakyo, JP	2	1995–1997
Nishikamo-gun, JP	1	1999
Yokaichi, JP	1	1985