HO

Hiroitsu Ota

RI Rinnai: 1 patents #85 of 173Top 50%
Overall (All Time): #2,411,216 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12292189 Rich-lean flame burner Masahiro Suzuki 2025-05-06