KS

Keita Sugihara

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Overall (All Time): #1,398,236 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11797402 Storage system and control method Keisuke Matsumoto, Genki Matsuda 2023-10-24
11749971 Metallic shell for spark plug and spark plug using the same Takahiro SANDA, Noriyasu Hasegawa, Yohei KOZAKAI 2023-09-05
11734133 Cluster system and fail-over control method of cluster system Keisuke Matsumoto, Yuki Kuroda 2023-08-22