Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SY

Shigeharu Yamashiro

HIHitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,128,837 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7829848 Gas monitoring apparatus Yasuaki Takada, Masao Suga, Hisashi Nagano, Izumi Waki, Hidehiro Okada +4 more 2010-11-09
7449685 Gas monitoring apparatus Yasuaki Takada, Masao Suga, Hisashi Nagano, Izumi Waki, Hidehiro Okada +4 more 2008-11-11