Inventor
TSUKADA NOBUHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TSUKADA NOBUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
10 patentsUS11859600B2Jan 2, 2024
Liquid feed pump and liquid chromatography device
HITACHI HIGH TECH CORP4 citations72
US12158452B2Dec 3, 2024
Flow passage switching valve and liquid chromatograph having the same
HITACHI HIGH TECH CORP0 citations59
US12504437B2Dec 23, 2025
Automatic analysis device
HITACHI HIGH TECH CORP0 citations50
US12188952B2Jan 7, 2025
Automatic analysis device
HITACHI HIGH TECH CORP0 citations50
US12247959B2Mar 11, 2025
Flow passage switching valve, flow passage switching valve system, and liquid chromatograph
HITACHI HIGH TECH CORP0 citations49
US12153026B2Nov 26, 2024
Liquid feeding apparatus and liquid feeding method
HITACHI HIGH TECH CORP0 citations49
US12467908B2Nov 11, 2025
Liquid feeding pump and liquid feeding method
HITACHI HIGH TECH CORP0 citations47
US12442363B2Oct 14, 2025
Liquid feeding pump and liquid feeding method
HITACHI HIGH TECH CORP0 citations47
US12546299B2Feb 10, 2026
Liquid delivery pump
HITACHI HIGH TECH CORP0 citations46
US12210003B2Jan 28, 2025
Liquid chromatographic apparatus and air bubble removal method of liquid chromatographic apparatus
HITACHI HIGH TECH CORP0 citations44