YK

Yoshio Katayama

PR Proterial: 2 patents #15 of 129Top 15%
Overall (2023): #92,572 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11819787 Water-treating ceramic filter unit Keiko Nakano, Toshitaka Ishizawa 2023-11-21
11712648 Water-treating ceramic filter module Keiko Nakano, Toshitaka Ishizawa 2023-08-01