TO

Takashi Ohsaka

TC Tokyo Ohka Kogyo Co.: 2 patents #15 of 84Top 20%
Overall (2023): #103,267 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11834642 Collection method for fine particles and collection system Yasuo Suzuki, Atsushi Murota 2023-12-05
11612891 Filter film and use thereof Yasuo Suzuki, Atsushi Murota, Toshiyuki Ogata 2023-03-28