TO

Toshiyuki Ogata

TC Tokyo Ohka Kogyo Co.: 2 patents #15 of 84Top 20%
Overall (2023): #100,144 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11612891 Filter film and use thereof Yasuo Suzuki, Atsushi Murota, Takashi Ohsaka 2023-03-28
11547968 Gas separation method and gas separation membrane Takuya NOGUCHI, Takahiro Senzaki, Toyoki Kunitake, Shigenori Fujikawa, Miho Ariyoshi 2023-01-10