Inventor

Takayoshi Watanabe

Inventor
Fujisawa, JP

Overview

14→
Patents
1987–2010
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G01Rprimary
G01RMeasuring electric variables35%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
A61BDiagnosis4%
A61MDevices for introducing media into, or onto, the body4%
B63GOffensive or defensive arrangements on vessels4%
B63HMarine propulsion or steering4%
C04BLime, magnesia4%
C08JWorking-up4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C23FNon-mechanical removal of metallic material from surface4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2008Patents assigned to HITACHI LTD (9)· patent assignee history
1993–2009Based in Fujisawa, JP· patent location history
1995Based in Tokyo, JP· patent location history
1999Patents assigned to HITACHI CHEMICAL FILTEC INC (1)· patent assignee history
1999Based in Shimodate, JP· patent location history
2001Based in Kanagawa, JP· patent location history
2004–2009Patents assigned to RENESAS TECH CORP (2)· patent assignee history
2010Patents assigned to JAPAN AGENCY MARINE EARTH SCI (1)· patent assignee history
2010Based in Fujiyoshida, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD91987–2008
RENESAS TECH CORP22004–2009
HITACHI CHEMICAL FILTEC INC11999
JAPAN AGENCY MARINE EARTH SCI12010
Locations
LocationPatentsSpan
Fujisawa, JP91993–2009
Fujiyoshida, JP12010
Kanagawa, JP12001
Shimodate, JP11999
Tokyo, JP11995