Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KM

Kimihiro Mabuchi — 2 Patents in 2021

TCToyobo Co.: 2 patents #4 of 119Top 4%
Overall (2021): #140,564 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11014053 Cellulose acetate-based asymmetric hollow fiber membrane Haruhiko Kohyama, Yoshinori Takii 2021-05-25
11007490 Cellulose acetate-based hollow fiber membrane Haruhiko Kohyama, Yoshinori Takii 2021-05-18