Inventor

Munetoshi Zen

Inventor
Kashiwa, JP

Overview

7→
Patents
1988–2002
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.

B41Jprimary
B41JTypewriters18%
G06FElectric digital data processing18%
H01CResistors18%
H10DInorganic electric semiconductor devices18%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%
H10NElectric solid-state devices not otherwise provided for9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2002Patents assigned to HITACHI LTD (7)· patent assignee history
1988–1992Based in Kashiwa, JP· patent location history
1991Patents assigned to TANAKA MATTHEY CO LTD (1)· patent assignee history
1992Patents assigned to TANAKA MATTHEY CO (1)· patent assignee history
1999–2002Based in Ryugasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD71988–2002
TANAKA MATTHEY CO11992
TANAKA MATTHEY CO LTD11991
Locations
LocationPatentsSpan
Kashiwa, JP51988–1992
Ryugasaki, JP21999–2002