NK

Nobuyuki Kitajima

YA Yamashin-Filter: 2 patents #1 of 8Top 15%
Overall (2023): #121,660 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11850538 Filter life predicting apparatus Nobuki Sasaki 2023-12-26
11541338 Filter device Mitsuhiro Yamaguchi 2023-01-03