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Inventor

Seiichi Ishihara

Inventor
Fujisawa, JP

Overview

8→
Patents
1989–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H02Jprimary
H02JElectric power networks26%
F01DNon-positive displacement machines or engines, e.g. steam turbines11%
F02CGas-turbine plants11%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
G02BOptical elements, systems or apparatus5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
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 systems5%
H03KPulse technique5%
H10DInorganic electric semiconductor devices5%
PatentTitleYear
7,738,754'Optical component and backlight unit using the optical component'20107,514,813'Electric power supply system'20097,233,082'Interconnecting power generation system'20077,061,211'Gas turbine generating apparatus'20066,979,914'Power generating apparatus'20056,888,263'Gas turbine generator'20054,868,632'Nonvolatile semiconductor memory'19894,818,867'Optical information processing device using optical shutter elements'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to AGENCY IND SCIENCE TECHN (2)· patent assignee history
1989Patents assigned to CITIZEN WATCH CO LTD (2)· patent assignee history
1989Patents assigned to JAPAN RES DEV CORP (1)· patent assignee history
1989Based in Sayama, JP· patent location history
2005–2009Patents assigned to EBARA DENSAN LTD (5)· patent assignee history
2005–2007Based in Fujisawa, JP· patent location history
2005–2006Based in Tokyo, JP· patent location history
2007–2009Patents assigned to EBARA CORP (2)· patent assignee history
2009Based in Kanagawa, JP· patent location history
2010Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EBARA DENSAN LTD52005–2009
AGENCY IND SCIENCE TECHN21989
CITIZEN WATCH CO LTD21989
EBARA CORP22007–2009
JAPAN RES DEV CORP11989
Locations
LocationPatentsSpan
Fujisawa, JP22005–2007
Tokyo, JP22005–2006
Ibaraki, JP12010
Kanagawa, JP12009
Sayama, JP11989