Inventor

Yongwei Shi

Inventor

Chiba, JP

Overview

2002–2019

Patent span

Mechanical engineering

Primary field (CPC F)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Dprimary

F04DNon-positive-displacement pumps30%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles10%

F01DNon-positive displacement machines or engines, e.g. steam turbines10%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids10%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants10%

F16CShafts10%

F25BRefrigeration machines, plants or systems10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to SEIKO INSTR INC (2)· patent assignee history

2002Based in Narashino, JP· patent location history

2003–2018Based in Chiba, JP· patent location history

2009Patents assigned to CALSONIC COMPRESSOR INC (1)· patent assignee history

2012–2019Patents assigned to EDWARDS JAPAN LTD (3)· patent assignee history

2012–2018Patents assigned to SHI YONGWEI (2)· patent assignee history

2018Patents assigned to ENOMOTO YOSHIHIRO (1)· patent assignee history

2019Based in Yachiyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations