YK

Yuki Kawaguchi

Sumitomo Electric Industries: 2 patents #114 of 570Top 20%
HI Hitachi: 1 patents #412 of 1,411Top 30%
Overall (2016): #48,810 of 481,213Top 15%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9385813 Optical fiber transmission line Yoshinori Yamamoto, Masaaki Hirano 2016-07-05
9291771 Optical fiber Yoshinori Yamamoto 2016-03-22
9231424 Charging system Takae Shimada, Satoshi Asano, Akihiko Kanouda 2016-01-05