HK

Hiroaki Koyama

NK Nippon Kayaku: 2 patents #4 of 56Top 8%
📍 Fujioka, JP: #1 of 8 inventorsTop 15%
Overall (2021): #156,865 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11110885 Gas generator Shinya Ueda, Satoshi Ohsugi, Makoto Tsuruta, Motohiro Kanaji, Hirotaka Mukunoki 2021-09-07
11001224 Gas generator Shinya Ueda, Satoshi Ohsugi, Haruki TAKIZAWA 2021-05-11