Inventor
HIRAI KAZUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI KAZUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SURPASS IND CO LTD
15 patentsUS9651162B2May 16, 2017
Relief valve
SURPASS IND CO LTD10 citations83
US9304517B2Apr 5, 2016
Flow control device
SURPASS IND CO LTD7 citations83
US11047515B2Jun 29, 2021
Fluid transfer connector and method for controlling the same
SURPASS IND CO LTD4 citations73
US10228075B2Mar 12, 2019
Fluid device
SURPASS IND CO LTD3 citations73
US10473231B2Nov 12, 2019
Flow rate adjustment device
SURPASS IND CO LTD2 citations72
US10082136B2Sep 25, 2018
Tube pump
SURPASS IND CO LTD6 citations72
US10018282B2Jul 10, 2018
Flow rate adjusting device
SURPASS IND CO LTD2 citations72
US9506572B2Nov 29, 2016
Flow regulating device
SURPASS IND CO LTD4 citations72
US9228673B2Jan 5, 2016
Flow regulating device
SURPASS IND CO LTD4 citations72
US9010719B2Apr 21, 2015
Flow control device
SURPASS IND CO LTD6 citations72
US10746168B2Aug 18, 2020
Tube pump and holding mechanism
SURPASS IND CO LTD5 citations71
US10528064B2Jan 7, 2020
Tube pump system and method for controlling the tube pump system
SURPASS IND CO LTD5 citations70
US12331864B2Jun 17, 2025
Joint structure, joint unit and assembly method of joint unit
SURPASS IND CO LTD0 citations51
US11035355B2Jun 15, 2021
Tube pump system and method for controlling the tube pump system
SURPASS IND CO LTD0 citations49
US10247588B2Apr 2, 2019
Piezoelectric karman vortex flowmeter
SURPASS IND CO LTD0 citations40