Inventor
Jiami Pu
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Cprimary
F16CShafts25%
Y10TTechnical subjects covered by former us classification25%
C10MLubricating compositions13%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions13%
C21DModifying the physical structure of ferrous metals13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
6,119,347'Method for manufacturing balls for bearing and products thereby'20005,640,769'Method for producing a cage of the ball bearing'19975,603,576'Method for manufacturing balls for bearing and products thereby'19975,401,105'Ball bearing and method for producing a cage of the ball bearing'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2000Patents assigned to NSK LTD (4)· patent assignee history
1995–2000Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NSK LTD | 4 | 1995–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1995–2000 |