HK

Hiromu Kumagai

IC Idemitsu Kosan Co.: 6 patents #239 of 1,237Top 20%
Overall (All Time): #782,618 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12319785 Method for producing aromatic polyether, and potassium carbonate used in same Koichi Suga, Minoru Senga, Yuko Murakami 2025-06-03
12098243 Polyether ether ketone and method for producing polyether ether ketone Koichi Suga, Minoru Senga, Yuko Murakami 2024-09-24
12091504 Polyether ether ketone, composition, and sheet Koichi Suga, Minoru Senga, Yuko Murakami 2024-09-17
11542453 Grease composition, mechanism component, and production method for grease composition Yusuke Nakanishi 2023-01-03
10829711 Grease, mechanical component, and method for producing grease Yusuke Nakanishi 2020-11-10
10704010 Grease and method for manufacturing grease Yoshiyuki Suetsugu 2020-07-07