KY

Koichi YAMAKA

HA Hitachi Astemo: 4 patents #182 of 1,276Top 15%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
📍 Hitachinaka, JP: #850 of 2,447 inventorsTop 35%
Overall (All Time): #910,159 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12305732 Shock absorber Milton MUZVIDZIWA, Yohei Katayama 2025-05-20
12151533 Cylinder device Riichi NAGAO, Yoshihiro Yamaguchi 2024-11-26
12115830 Shock absorber Sadatomo MATSUMURA, Naoya TOKOO, Yoshihiro Yamaguchi 2024-10-15
12085141 Shock absorber Masato Suehiro, Atsushi Maeda, Yuji Nakayama, Takashi Kozono 2024-09-10
11131400 High-pressure fuel supply pump and method of manufacturing the same Mina Amo, Kenya Ohashi, Arata Kagiyama, Noriyuki Maekawa 2021-09-28