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Inventor

Masato Aizawa

Inventor
Kyoto, JP

Overview

5→
Patents
1994–2013
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G08Bprimary
G08BSignalling systems, e.g. personal calling systems38%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy25%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
8,404,391'Method of operating polymer electrolyte fuel cell'20138,337,732'Method for fabricating a polymer electrolyte membrane for a fuel cell'20126,373,393'Flame detection device and flame detection'20025,576,697'Fire alarm system'19965,280,272'Fire alarm system which distinguishes between different types of smoke'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2002Patents assigned to HOCHIKI CO (3)· patent assignee history
1994–1996Based in Hachiouji, JP· patent location history
2002Based in Yokohama, JP· patent location history
2012–2013Patents assigned to AIZAWA MASATO (2)· patent assignee history
2012–2013Patents assigned to GYOTEN HISAAKI (2)· patent assignee history
2012–2013Patents assigned to PANASONIC CORP (2)· patent assignee history
2012–2013Patents assigned to TAOMOTO AKIRA (2)· patent assignee history
2012–2013Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOCHIKI CO31994–2002
AIZAWA MASATOself22012–2013
GYOTEN HISAAKI22012–2013
PANASONIC CORP22012–2013
TAOMOTO AKIRA22012–2013
Locations
LocationPatentsSpan
Kyoto, JP22012–2013
Hachiouji, JP21994–1996
Yokohama, JP12002