HO

Hirofumi Oka

Nichia: 1 patents #1,005 of 1,531Top 70%
NI Nomura Research Institute: 1 patents #31 of 109Top 30%
📍 Tokushima, JP: #544 of 1,059 inventorsTop 55%
Overall (All Time): #1,889,908 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11144664 Risk management support device Shinya OKI 2021-10-12
7477808 Light emitting device and lighting device Naofumi Sumitani 2009-01-13