KH

Katsushi Hamakubo

HO Hoya: 2 patents #11 of 71Top 20%
WM Wd Media: 1 patents #1 of 20Top 5%
Overall (2018): #69,203 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10072155 Coating composition Kae Ito 2018-09-11
9984715 Magnetic disk and manufacturing method thereof Koichi Shimokawa, Kae Itoh 2018-05-29
9873799 Coating composition Kae Ito 2018-01-23