Inventor

Yoshihiro Sano

Inventor

Katsuta, JP

Overview

7→

Patents

1976–2000

Patent span

Electricity

Primary field (CPC H)

Patents· 7 as inventor

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

H02Hprimary

H02HEmergency protective circuit arrangements33%

H02JElectric power networks13%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids13%

F17CVessels for containing or storing compressed, liquefied or solidified gases7%

G02BOptical elements, systems or apparatus7%

H03MCoding7%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%

PatentTitleYear

6,029,741'Heating apparatus for a gas container'2000 5,170,308'Method and system of transformer protection and method and system of detecting a defective winding'1992 4,772,978'Transformer protection system'1988 4,620,257'Carrier relay system'1986 4,161,651'Simultaneously sampled remote data reading and transmission system using optical fibers'1979 4,032,913'Coding equipment providing compressed code'1977 3,984,737'Protective relaying system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1992Patents assigned to HITACHI LTD (6)· patent assignee history

1976–1992Based in Katsuta, JP· patent location history

1988–1992Patents assigned to TOKYO ELECTRIC POWER CO (2)· patent assignee history

2000Patents assigned to AIR LIQUIDE (1)· patent assignee history

2000Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	6	1976–1992
TOKYO ELECTRIC POWER CO	2	1988–1992
AIR LIQUIDE	1	2000

Locations

Location	Patents	Span
Katsuta, JP	6	1976–1992
Hyogo, JP	1	2000