Inventor
Ryotaro Kondow
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Hprimary
H02HEmergency protective circuit arrangements63%
G06FElectric digital data processing19%
G01RMeasuring electric variables6%
G11CStatic stores6%
H03KPulse technique6%
PatentTitleYear
4,541,058'Protective relay system'19854,420,805'Protective relaying system'19834,419,737'Setting device for protective control system'19834,371,908'Digital protective relaying systems'19834,371,926'Input/output information indication system'19834,357,666'Digital distance relays'19824,347,581'Input setting method for digital operational devices'19824,339,802'Digital protective relaying devices'19824,328,551'Apparatus and method for protection of electric power transmission lines and the like'19824,314,301'Protective relaying devices'19824,281,386'Systems for detecting faults in electric power systems'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (11)· patent assignee history
1981–1983Based in Fuchu, JP· patent location history
1982–1985Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO SHIBAURA ELECTRIC CO | 11 | 1981–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1982–1985 |
| Fuchu, JP | 4 | 1981–1983 |