TI

Tatuo Itou

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,246,632 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5991490 Optical waveguide and optical wavelength conversion device Kiminori Mizuuchi, Sigeki Ohnishi, Kazuhisa Yamamoto 1999-11-23
5872884 Optical waveguide conversion device Kiminori Mizuuchi, Sigeki Ohnishi, Kazuhisa Yamamoto 1999-02-16