Inventor

Toshiharu Hirota

Inventor

Hikone, JP

Overview

14→

Patents

1984–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

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

H01Cprimary

H01CResistors42%

C04BLime, magnesia19%

Y10TTechnical subjects covered by former us classification12%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C08LCompositions of macromolecular compounds4%

C09DCoating compositions, e.g. paints, varnishes or lacquers4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

H01GCapacitors4%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%

H10DInorganic electric semiconductor devices4%

PatentTitleYear

10,947,345Varnish for photo alignment film and liquid crystal display device2021 7,109,841'Surface-mount positive temperature coefficient thermistor and manufacturing method therefor'2006 7,005,827'Starting circuit for single-phase induction motor'2006 6,522,238'Semiconductor ceramic and positive-temperature-coefficient thermistor'2003 6,455,454'Semiconductor ceramic, semiconductor ceramic element and circuit protection element'2002 6,432,558'Semiconductor ceramic and semiconductor ceramic device'2002 6,362,521'Semiconductor ceramic and device using the same'2002 6,346,496'Composite material for positive temperature coefficient thermistor, ceramic for positive temperature coefficient thermistor and method for manufacturing ceramics for positive temperature coefficient thermistor'2002 6,311,390'Method of producing thermistor chips'2001 6,187,707'Barium titanate-based semiconductive ceramic composition'2001 6,040,755'Chip thermistors and methods of making same'2000 5,939,972'Positive temperature characteristic thermistor and thermistor element'1999 5,245,309'Thermistor element'1993 4,482,934'Temperature compensating titanate ceramic capacitor with nickel or copper electroless metal electrodes'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2006Patents assigned to MURATA MANUFACTURING CO (13)· patent assignee history

1984–2006Based in Hikone, JP· patent location history

1993Based in Nagaokakyo, JP· patent location history

1999–2001Based in Shiga, JP· patent location history

2021Patents assigned to JAPAN DISPLAY INC (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MURATA MANUFACTURING CO	13	1984–2006
JAPAN DISPLAY INC	1	2021

Locations

Location	Patents	Span
Hikone, JP	9	1984–2006
Shiga, JP	3	1999–2001
Tokyo, JP	1	2021
Nagaokakyo, JP	1	1993