Inventor
Akio Matsumaru
Inventor
Nagoya, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches40%
G01RMeasuring electric variables20%
H02JElectric power networks20%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for10%
H01RElectrically-conductive connections10%
PatentTitleYear
6,295,930'Circuit breaker'20016,222,439'Circuit breaking device'20016,107,581'Circuit breaking device'20006,011,399'Fault locator apparatus for wire harnesses'20005,990,572'Electric circuit breaker for vehicle'19995,936,317'Power supply device for vehicle'19995,903,156'Method for detecting trouble location in wire harnesses and wire harness to be used in the method'19995,818,673'Electric power distribution system having fault bypass feature'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to HARNESS SYST TECH RES LTD (8)· patent assignee history
1998–2001Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (8)· patent assignee history
1998–2001Patents assigned to SUMITOMO WIRING SYSTEMS (8)· patent assignee history
1998–2001Based in Nagoya, JP· patent location history
2001Patents assigned to NIPPON KAYAKU KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARNESS SYST TECH RES LTD | 8 | 1998–2001 |
| SUMITOMO ELECTRIC INDUSTRIES | 8 | 1998–2001 |
| SUMITOMO WIRING SYSTEMS | 8 | 1998–2001 |
| NIPPON KAYAKU KK | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 8 | 1998–2001 |