Inventor
Tomoyoshi Izutsu
Inventor
Shizuoka, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Hprimary
F16HGearing53%
F02BInternal-combustion piston engines12%
F16CShafts12%
C10MLubricating compositions6%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions6%
F01LCyclically operating valves for machines or engines6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,570,961Retainer for bearing and bearing202010,465,140Grease composition201910,295,027Power transmission roller assembly201910,088,031Pressed pulley20189,353,795'Rolling bearing'20167,775,921'Chain tensioner'20107,527,572'Chain tensioner'20097,037,229'Hydraulic tensioner'20065,607,368'Autotensioner'19975,586,952'Hydraulic autotensioner'19965,334,109'Belt tension adjusting device'19945,234,385'Belt tension adjusting device'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2020Patents assigned to NTN TOYO BEARING CO LTD (12)· patent assignee history
1993–1997Based in Iwata, JP· patent location history
2006–2020Based in Shizuoka, JP· patent location history
2016Patents assigned to IZUTSU TOMOYOSHI (1)· patent assignee history
2016Patents assigned to UOZUMI TOMOHISA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NTN TOYO BEARING CO LTD | 12 | 1993–2020 |
| IZUTSU TOMOYOSHIself | 1 | 2016 |
| UOZUMI TOMOHISA | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 8 | 2006–2020 |
| Iwata, JP | 4 | 1993–1997 |