HH

Hiroyuki Hayashida

DC Daiichi Kigenso Kagaku Kogyo Co.: 1 patents #3 of 10Top 30%
NC Nippon Steel Chemical: 1 patents #15 of 48Top 35%
Overall (2022): #155,187 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11302928 Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same Takashi Iijima, Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura +2 more 2022-04-12
11242264 Alumina-based composite oxide and production method for same Yoshikazu Hirose 2022-02-08