Inventor

Satoru Yanabu

Inventor

Machida, JP

Overview

1976–1991

Patent span

Electricity

Primary field (CPC H)

Patents· 29 as inventor

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

H01Hprimary

H01HElectric switches58%

H01TSpark gaps8%

H02HEmergency protective circuit arrangements8%

H01FMagnets5%

G01RMeasuring electric variables3%

H01CResistors3%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%

H02BBoards, substations or switching arrangements for the supply or distribution of electric power3%

H10NElectric solid-state devices not otherwise provided for3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

PatentTitleYear

5,045,652'Disconnector of gas insulated switchgear'1991 4,994,932'Superconducting current limiting apparatus'1991 4,841,538'CO.sub.2 gas laser device'1989 4,774,388'Compressed dielectric gas circuit breaker'1988 4,754,109'Compressed dielectric gas high-tension circuit breaker'1988 4,743,721'Circuit breaker actuator device'1988 4,736,078'Method for processing vacuum switch and vacuum switch processed by the method'1988 4,698,467'Electrodes of vacuum switch'1987 4,665,289'Puffer type gas insulated circuit breaker'1987 4,570,042'Gas-insulated switching apparatus'1986 4,458,121'DC Circuit breaker'1984 4,454,476'Method of and apparatus for synthetic testing of a multi-break circuit breaker'1984 4,442,469'DC Circuit breaker apparatus'1984 4,434,332'Hybrid-type interrupting apparatus'1984 4,389,693'Lightning arrester'1983 4,367,382'Vacuum circuit breaker'1983 4,336,414'Method and apparatus for treating noxious gases'1982 4,326,233'Lightning arrester'1982 4,307,428'Circuit breaker apparatus for high voltage direct currents'1981 4,306,267'Arrester'1981 4,305,107'DC Interrupting apparatus'1981 4,296,288'Gas insulated disconnecting switches'1981 4,262,215'Direct current interrupter'1981 4,246,458'Vacuum interrupter'1981 4,172,268'Direct current circuit interrupting apparatus'1979 4,110,806'Circuit interrupting apparatus for use in direct current circuits'1978 3,968,393'Spark gap device for a lightning arrestor'1976 3,946,179'Vacuum interrupter'1976 3,935,406'Vacuum interrupter'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (20)· patent assignee history

1976–1981Based in Yokohama, JP· patent location history

1981–1991Based in Machida, JP· patent location history

1984–1988Based in Tokyo, JP· patent location history

1987–1991Patents assigned to TOSHIBA KK (6)· patent assignee history

1987–1988Patents assigned to ALSTHOM (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO SHIBAURA ELECTRIC CO	20	1976–1986
TOSHIBA KK	6	1987–1991
ALSTHOM	4	1987–1988

Locations

Location	Patents	Span
Machida, JP	18	1981–1991
Yokohama, JP	6	1976–1981
Tokyo, JP	5	1984–1988