Inventor
Hiroki Tsuchiyama
Inventor
Utsunomiya, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines36%
F16CShafts36%
F16HGearing9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
8,418,670'Roller bearing, cam shaft support structure, internal combustion engine and incorporation method of roller bearing'20138,220,423'Roller bearing, camshaft support structure, and internal combustion engine'20128,132,550'Roller bearing, camshaft support structure, and internal combustion engine'20126,845,686'Cam follower with roller'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2013Patents assigned to NTN TOYO BEARING CO LTD (4)· patent assignee history
2005Based in Iwata, JP· patent location history
2012–2013Patents assigned to ABE KATSUFUMI (3)· patent assignee history
2012–2013Patents assigned to ABE KAZUTO (3)· patent assignee history
2012–2013Patents assigned to FUJII NORIAKI (3)· patent assignee history
2012–2013Patents assigned to FUJIMOTO TOMOYA (3)· patent assignee history
2012–2013Based in Utsunomiya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NTN TOYO BEARING CO LTD | 4 | 2005–2013 |
| ABE KATSUFUMI | 3 | 2012–2013 |
| ABE KAZUTO | 3 | 2012–2013 |
| FUJII NORIAKI | 3 | 2012–2013 |
| FUJIMOTO TOMOYA | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Utsunomiya, JP | 3 | 2012–2013 |
| Iwata, JP | 1 | 2005 |