Inventor
BAO QIAN
JP20 patents
⚠️ This page may combine multiple inventors who share the name “BAO QIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO HEAVY INDUSTRIES
18 patentsUS10274230B2Apr 30, 2019
Annular portions protruding from a displacer and expansion space of a cryocooler
SUMITOMO HEAVY INDUSTRIES2 citations72
US11073308B2Jul 27, 2021
Cryocooler and cryocooler operation method
SUMITOMO HEAVY INDUSTRIES2 citations68
US11774147B2Oct 3, 2023
Cryocooler
SUMITOMO HEAVY INDUSTRIES1 citations62
US10184693B2Jan 22, 2019
GM cryocooler
SUMITOMO HEAVY INDUSTRIES1 citations62
US11971108B2Apr 30, 2024
Rotary valve of cryocooler and cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11566821B2Jan 31, 2023
Cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11530847B2Dec 20, 2022
Cryocooler and flow path switching mechanism of cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11408406B2Aug 9, 2022
GM cryocooler and method of operating GM cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11384963B2Jul 12, 2022
GM cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11371754B2Jun 28, 2022
GM cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11221079B2Jan 11, 2022
Cryocooler and rotary valve unit for cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US11149993B2Oct 19, 2021
Cryocooler with heat transfer blocks having fins
SUMITOMO HEAVY INDUSTRIES0 citations51
US11022353B2Jun 1, 2021
Pulse tube cryocooler and rotary valve unit for pulse tube cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations51
US10197305B2Feb 5, 2019
Cryocooler and cryocooler operation method
SUMITOMO HEAVY INDUSTRIES0 citations47
US11243014B2Feb 8, 2022
Cryocooler
SUMITOMO HEAVY INDUSTRIES0 citations42
US10371417B2Aug 6, 2019
Cryocooler and rotary valve mechanism
SUMITOMO HEAVY INDUSTRIES0 citations41
US9841212B2Dec 12, 2017
Cryogenic refrigerator
SUMITOMO HEAVY INDUSTRIES0 citations41
US10281175B2May 7, 2019
Regenerative refrigerator, first stage regenerator, and second stage regenerator
SUMITOMO HEAVY INDUSTRIES0 citations39