HY

Hisayuki Yamaguchi

KT Kabushiki Kaisha Taito: 1 patents #23 of 61Top 40%
KC Kane Kougyou Co.: 1 patents #3 of 6Top 50%
Overall (All Time): #2,127,463 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7806136 Wafer-type direct-acting valve Masaru Ochiai 2010-10-05
4892312 Operating device for TV game machine Hideki Minemoto 1990-01-09