Inventor

Takao Kubo

Inventor
Tokyo, JP

Overview

3→
Patents
1986–2002
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A63Hprimary
A63HToys, e.g. tops, dolls, hoops or building blocks33%
H02HEmergency protective circuit arrangements17%
H02JElectric power networks17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HITACHI LTD (1)· patent assignee history
1986Based in Hitachi, JP· patent location history
1987Patents assigned to TOMY KOGYO CO (1)· patent assignee history
1987–2002Based in Tokyo, JP· patent location history
2002Patents assigned to HASBRO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HASBRO INC12002
HITACHI LTD11986
TOMY KOGYO CO11987
Locations
LocationPatentsSpan
Tokyo, JP21987–2002
Hitachi, JP11986