Inventor
KITAJIMA NOBUYUKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KITAJIMA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMASHIN FILTER CORP
19 patentsUS11850538B2Dec 26, 2023
Filter life predicting apparatus
YAMASHIN FILTER CORP2 citations71
US11541338B2Jan 3, 2023
Filter device
YAMASHIN FILTER CORP0 citations61
US11406920B2Aug 9, 2022
Filter device
YAMASHIN FILTER CORP1 citations61
US11052336B2Jul 6, 2021
Filter device
YAMASHIN FILTER CORP0 citations61
US10926207B2Feb 23, 2021
Filter device
YAMASHIN FILTER CORP1 citations61
US10350527B2Jul 16, 2019
Filter device and filtration device
YAMASHIN FILTER CORP1 citations54
US12129879B2Oct 29, 2024
Suction strainer
YAMASHIN FILTER CORP0 citations51
US11511934B2Nov 29, 2022
Tank device
YAMASHIN FILTER CORP0 citations51
US12233358B2Feb 25, 2025
Filter device
YAMASHIN FILTER CORP0 citations50
US12214306B2Feb 4, 2025
Filter device
YAMASHIN FILTER CORP0 citations50
US12194397B2Jan 14, 2025
Measurement unit and filter device
YAMASHIN FILTER CORP0 citations50
US12145084B2Nov 19, 2024
Filter element and filter device
YAMASHIN FILTER CORP0 citations50
US11305215B2Apr 19, 2022
Filter device
YAMASHIN FILTER CORP0 citations50
US12025085B2Jul 2, 2024
Tank device
YAMASHIN FILTER CORP0 citations49
US11504661B2Nov 22, 2022
Filter device
YAMASHIN FILTER CORP0 citations46
US12025526B2Jul 2, 2024
Differential pressure detection device
YAMASHIN FILTER CORP0 citations45
US10060776B2Aug 28, 2018
Differential pressure sensor, and filtration device used therewith
YAMASHIN FILTER CORP0 citations41
US10702808B2Jul 7, 2020
Filter device and filtration device
YAMASHIN FILTER CORP0 citations39
US10821377B2Nov 3, 2020
Filter device
YAMASHIN FILTER CORP0 citations35