Inventor
Motomi Hiraishi
Inventor
Kudamatsu, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Fprimary
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles46%
B60GVehicle suspension arrangements15%
B61GCouplings15%
F16FSprings15%
B61CLocomotives8%
PatentTitleYear
7,063,023'Railway car and bogie for railway car'20066,523,481'Bogie for use with a monorail car'20036,401,628'Railway vehicle'20026,336,410'Railway vehicle and railway vehicle use bogie car'20024,776,283'Truck for railway vehicle'19884,715,289'Apparatus for controlling vibration of vehicle'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2006Patents assigned to HITACHI LTD (6)· patent assignee history
1987Patents assigned to JAPAN NATIONAL RAILWAY (1)· patent assignee history
1987–2006Based in Kudamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1987–2006 |
| JAPAN NATIONAL RAILWAY | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kudamatsu, JP | 6 | 1987–2006 |