Inventor

Tomoyoshi Sawada

Inventor

Kyoto, JP

Overview

1993–2021

Patent span

Electricity

Primary field (CPC H)

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

G01Lprimary

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure20%

H02KDynamo-electric machines20%

A47LDomestic washing or cleaning10%

F04DNon-positive-displacement pumps10%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants10%

H02JElectric power networks10%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to NIHON DENSAN KK (1)· patent assignee history

1993–1994Based in Tsuyama, JP· patent location history

1994Patents assigned to KUBOTA KK (1)· patent assignee history

2014–2019Patents assigned to NIDEC CORP (3)· patent assignee history

2014Patents assigned to SAWADA TOMOYOSHI (1)· patent assignee history

2014–2019Based in Kyoto, JP· patent location history

2021Patents assigned to KANEKA CORP (1)· patent assignee history

2021Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations