Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
MH

Masayuki Hirota

OC Osaka Gas Chemicals Co.: 1 patents #2 of 17Top 15%
OC Osaka Gas Co.: 1 patents #6 of 20Top 30%
Overall (2025): #295,021 of 469,880Top 65%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12234352 Rubbery composition and method for producing the same Masahiro Yamada, Hiroki Sakamoto, Masayuki Sugimoto, Yumi Hosogi, Hiroaki Murase 2025-02-25