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Inventor

Michihiko Hasegawa

Inventor
Hitachinaka, JP

Overview

4→
Patents
1989–2009
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F02Dprimary
F02DControlling combustion engines50%
G03GElectrography50%
PatentTitleYear
7,610,141'Control apparatus for direct injection type internal combustion engine'20097,418,337'Control apparatus for direct injection type internal combustion engine'20085,138,384'Electrophotographic copying machine having editorial function'19924,796,052'Electrophotographic copying machine having an editorial function'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history
1989–1992Based in Hyogo, JP· patent location history
2008–2009Patents assigned to HITACHI LTD (2)· patent assignee history
2008–2009Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD22008–2009
SANYO ELECTRIC CO21989–1992
Locations
LocationPatentsSpan
Hitachinaka, JP22008–2009
Hyogo, JP21989–1992