Inventor
Takao Kubo
Inventor
Tokyo, JP
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| HASBRO INC | 1 | 2002 |
| HITACHI LTD | 1 | 1986 |
| TOMY KOGYO CO | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 1987–2002 |
| Hitachi, JP | 1 | 1986 |