Inventor

Shinobu Tajima

Inventor

Tokyo, JP

Overview

23→

Patents

1980–2003

Patent span

Performing operations

Primary field (CPC B)

Patents· 23 as inventor

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

B66Bprimary

B66BElevators51%

H02JElectric power networks14%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%

G05BControl or regulating systems in general8%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%

B25JManipulators3%

D07BRopes or cables in general3%

PatentTitleYear

6,533,074'Elevator apparatus with rechargeable power supply and discharge control'2003 6,522,099'Elevator apparatus with rechargeable power supply and discharge control'2003 6,474,447'Elevator power control for adjusting ratio of power supplied from each of dual power sources'2002 6,471,013'Apparatus for controlling charging and discharging of supplemental power supply of an elevator system'2002 6,460,658'Elevator control apparatus'2002 6,457,565'Elevator apparatus with rechargeable power supply and discharge control'2002 6,454,053'Elevator apparatus including rechargeable power supply and temperature sensitive charging control'2002 6,439,347'Elevator control apparatus controlling charging of a power source with regenerative power'2002 6,439,348'Elevator controller controlling charging of a battery power source with regenerative power'2002 6,435,312'Elevator speed controller responsive to power failures'2002 6,435,313'Controller for dynamically allocating regenerative power to a rechargeable power supply of an elevator'2002 6,435,311'Elevator control calculating power consumed and power generated by a controlled elevator'2002 6,431,323'Elevator power management system having power storage apparatus maintaining a particular charge in accordance with time of day'2002 6,431,324'Controller scheduling constant current charging of a rechargeable power source of an elevator system'2002 6,422,351'Elevator speed controller responsive to dual electrical power sources'2002 6,415,892'Power control including a secondary battery for powering an elevator'2002 6,325,178'Elevator group managing system with selective performance prediction'2001 4,705,451'Robot control apparatus'1987 4,509,143'Computer control system for selecting a desired control program from a plurality of control programs'1985 4,483,418'Elevator control system'1984 4,410,959'Computer control system for selecting a desired control program from a plurality of control programs'1983 4,382,489'Apparatus for operating during earthquake'1983 4,219,995'Wire rope'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2003Patents assigned to MITSUBISHI ELECTRIC CORP (22)· patent assignee history

1980–1985Based in Inazawa, JP· patent location history

1987Based in Aichi, JP· patent location history

2001–2003Based in Tokyo, JP· patent location history

2002–2003Patents assigned to TOKYO ELECTRIC POWER CO (13)· patent assignee history

2002Patents assigned to MITSUBISHI DENKI KABUSKIKI KAI (1)· patent assignee history

2002Patents assigned to TOKYO ELECTIRC POWER COMPANY I (1)· patent assignee history

2003Patents assigned to TOKYO ELECTRI POWER COMPANY IN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	22	1980–2003
TOKYO ELECTRIC POWER CO	13	2002–2003
MITSUBISHI DENKI KABUSKIKI KAI	1	2002
TOKYO ELECTIRC POWER COMPANY I	1	2002
TOKYO ELECTRI POWER COMPANY IN	1	2003

Locations

Location	Patents	Span
Tokyo, JP	17	2001–2003
Inazawa, JP	5	1980–1985
Aichi, JP	1	1987