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Inventor

Masaaki Shiga

Inventor
Shizuoka, JP

Overview

8→
Patents
1979–1998
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.

C07Dprimary
C07DHeterocyclic compounds10%
G01RMeasuring electric variables10%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%
H02JElectric power networks10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B01DSeparation5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals5%
F24FAir-conditioning5%
PatentTitleYear
5,846,098'Capacitor connecting structure and capacitor'19985,654,623'Electronic apparatus, battery management system, and battery management method'19975,649,859'Air exhausting cap structure'19975,635,813'Electronic apparatus, battery management system, and battery management method'19974,691,260'Tunnel erase magnetic head assembly'19874,268,482'Catalytic reactor'19814,176,020'Process for electrolytic dimerization of N-substituted pyridinium salt'19794,151,165'Process for preparation of N,N\'-disubstituted-4,4\'-bipyridylium salt'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to ASAHI CHEMICAL IND (2)· patent assignee history
1979Based in Tokyo, JP· patent location history
1981Patents assigned to HITACHI LTD (1)· patent assignee history
1981Based in Oharasakainishi, JP· patent location history
1987–1997Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1987Based in Fujisawa, JP· patent location history
1997–1998Patents assigned to YAZAKI CORP (2)· patent assignee history
1997–1998Based in Shizuoka, JP· patent location history
1997Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP31987–1997
ASAHI CHEMICAL IND21979
YAZAKI CORP21997–1998
HITACHI LTD11981
Locations
LocationPatentsSpan
Shizuoka, JP21997–1998
Kanagawa, JP21997
Tokyo, JP21979
Fujisawa, JP11987
Oharasakainishi, JP11981