RM

Ryohei MATSUTAKE

HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #1,709,641 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12429018 Prestroke adjustment method for fuel injection valve Kenichi Gunji, Masashi SUGAYA 2025-09-30
12286950 Working method of orifice and fuel injection valve Kenichi Gunji, Masato Higuma, Yuta YANAGISAWA, Yuki Sugiyama 2025-04-29