Inventor
Zhijia Ren
Inventor
Tokyo, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids25%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids25%
LOC1425%
Y10TTechnical subjects covered by former us classification25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2019Patents assigned to HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (2)· patent assignee history
2017–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD | 2 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 2017–2019 |