TY

Tosifumi Yokoyama

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,166,149 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7010006 Light source apparatus and its control method Ken'ichi Kasazumi, Yasuo Kitaoka, Kiminori Mizuuchi, Kazuhisa Yamamoto, Hisashi Senga +2 more 2006-03-07
6802655 Laser source Yasuo Kitaoka, Kazuhisa Yamamoto 2004-10-12