Inventor
Takeyoshi Shinbori
Inventor
Yokosuka, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Fprimary
F16FSprings46%
B60GVehicle suspension arrangements33%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles13%
B60MPower supply lines, and devices along rails, for electrically- propelled vehicles4%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines4%
PatentTitleYear
6,439,552'Overhead wire tensioning device'20024,921,227'Car suspension system'19904,921,224'Car suspension system'19904,921,223'Car suspension system'19904,886,256'Vehicle suspension device with a coil spring embedded in an open cell foam'19894,880,213'Gas spring apparatus'19894,828,231'Car suspension system'19894,720,085'Vehicle suspension apparatus'19884,463,936'Apparatus for controlling friction between the leaf springs of a laminated leaf spring assembly of a vehicle'19844,456,232'Apparatus for controlling friction between leaf springs of a laminated leaf spring assembly'19844,452,435'Apparatus for controlling friction between leaf springs of a laminated leaf spring assembly'19844,433,833'Apparatus for controlling the spring constant of a laminated leaf spring assembly'19844,418,896'Apparatus for controlling the friction between the leaf springs of a laminated leaf spring assembly'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2002Patents assigned to NHK SPRING CO LTD (13)· patent assignee history
1983–1990Based in Yokosuka, JP· patent location history
2002Patents assigned to DENGYO INC (1)· patent assignee history
2002Patents assigned to TOKAI RYOKAKU TETSUDO KK (1)· patent assignee history
2002Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NHK SPRING CO LTD | 13 | 1983–2002 |
| DENGYO INC | 1 | 2002 |
| TOKAI RYOKAKU TETSUDO KK | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokosuka, JP | 12 | 1983–1990 |
| Yokohama, JP | 1 | 2002 |