Inventor
Michifumi Takeichi
Inventor
Kudamatsu, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Dprimary
B61DBody details or kinds of railway vehicles43%
Y02TClimate change mitigation technologies related to transportation29%
B62DMotor vehicles10%
Y10TTechnical subjects covered by former us classification10%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles5%
E04BGeneral building constructions5%
PatentTitleYear
6,651,567'Railway car'20035,433,151'Railway car body structures and methods of making them using welded honeycomb panels connected in an edge to edge relation'19955,199,632'Railway car body structures and methods of making them'19935,140,913'Railway car body structures'19925,113,769'Car body for railway rolling stock and method for fabricating car body'19925,109,777'Car body for railway rolling stock with joggled adjacent side sheet end construction for smooth exterior'19924,995,321'Car body for railway rolling stock'19914,966,082'Construction and a manufacturing method of underframe for a rolling stock'19904,825,774'Underfloor construction of monorail vehicle and method of assembling the same'19894,645,258'Underframe construction for railway vehicle'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2003Patents assigned to HITACHI LTD (10)· patent assignee history
1987–1995Based in Kudamatsu, JP· patent location history
1990Patents assigned to KASADO KIKAI CO LTD (1)· patent assignee history
2003Based in Yamaguchi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 10 | 1987–2003 |
| KASADO KIKAI CO LTD | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kudamatsu, JP | 9 | 1987–1995 |
| Yamaguchi, JP | 1 | 2003 |