KH

Katsushi Hamakubo

HO Hoya: 1 patents #40 of 106Top 40%
WP Wd Media (Singapore) Pte.Ltd.: 1 patents #1 of 4Top 25%
Overall (2017): #135,635 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9783683 Coating composition Kae Ito 2017-10-10
9558778 Lubricant compound for magnetic disk and magnetic disk Kota Suzuki, Koichi Shimokawa, Kae Itoh 2017-01-31