TN

Takahiro Numai

Canon: 21 patents #3,043 of 19,416Top 20%
NE Nec: 6 patents #2,374 of 14,502Top 20%
Overall (All Time): #147,984 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4976513 Tunable wavelength filter 1990-12-11
4899361 Optical filter device 1990-02-06