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Inventor

Hiroaki Kozawa

Inventor
Kyoto, JP

Overview

4→
Patents
1991–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties40%
H01HElectric switches40%
H01JElectric discharge tubes or discharge lamps20%
PatentTitleYear
10,928,367Peak extraction method and program202110,890,562Tandem mass spectrometer20215,723,839'Gas circuit breaker'19985,023,415'Switch apparatus'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1998Patents assigned to HITACHI LTD (2)· patent assignee history
1991Based in Katsuta, JP· patent location history
1998Based in Hitachinaka, JP· patent location history
2021Patents assigned to SHIMADZU CORP (2)· patent assignee history
2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21991–1998
SHIMADZU CORP22021
Locations
LocationPatentsSpan
Kyoto, JP22021
Hitachinaka, JP11998
Katsuta, JP11991