Inventor

Zhijia Ren

Inventor
Tokyo, JP

Overview

2→
Patents
2017–2019
Patent span
Mechanical engineering
Primary field (CPC F)

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
AssigneePatentsSpan
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD22017–2019
Locations
LocationPatentsSpan
Tokyo, JP22017–2019