Inventor

Shigeharu Ootsuka

Inventor

Aichi, JP

Overview

1986–1996

Patent span

Electricity

Primary field (CPC H)

Patents· 18 as inventor

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

H01Hprimary

H01HElectric switches67%

H02BBoards, substations or switching arrangements for the supply or distribution of electric power13%

H01FMagnets8%

G06KGraphical data reading4%

H05BElectric heating4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

5,535,083'Magnetic coil assembly with surge absorber'1996 5,517,167'Magnetic coil, magnetic contactor using magnetic coil, and magnetic coil manufacturing method'1996 5,264,985'Apparatus for increasing effective insulation between terminal plates'1993 5,103,199'Electromagnetic contactor'1992 5,075,660'Electromagnetic contractor and fabrication method therefor'1991 5,059,930'Electromagnetic contactor and fabrication method therefor'1991 5,055,811'Electromagnetic apparatus'1991 5,014,027'Electromagnetic contactor'1991 RE033457'Switch'1990 4,969,844'Electromagnetic contector'1990 4,947,290'Rail mounting device for an electrical equipment'1990 4,940,958'Polarized electromagnetic apparatus'1990 4,845,455'Thermally-sensible overcurrent protective relay including heater holder'1989 4,808,961'Thermally-sensible overcurrent protective relay including contact toggle mechanism'1989 4,698,726'Structure for attaching a switchgear to a rail'1987 4,671,697'Apparatus for mounting electrical appliance on frame'1987 4,650,935'Switch'1987 4,626,656'Method and apparatus for indicating the contact structure of electromagnetic contactor on the housing thereof using laser light'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1996Patents assigned to MITSUBISHI ELECTRIC CORP (17)· patent assignee history

1986–1987Based in Kagamihara, JP· patent location history

1987–1990Based in Kakamigahara, JP· patent location history

1989–1996Based in Aichi, JP· patent location history

1989Based in Gifu, JP· patent location history

1991–1993Based in Nagoya, JP· patent location history

1996Patents assigned to MITSUBISHI ELECTRIC ENG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	17	1986–1996
MITSUBISHI ELECTRIC ENG	1	1996

Locations

Location	Patents	Span
Aichi, JP	6	1989–1996
Nagoya, JP	6	1991–1993
Kagamihara, JP	3	1986–1987
Kakamigahara, JP	2	1987–1990
Gifu, JP	1	1989