JK

Junji Kagawa

SO Sony: 4 patents #8,966 of 25,231Top 40%
📍 Rifu, JP: #689 of 2,101 inventorsTop 35%
Overall (All Time): #1,248,746 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7585576 Magnetic recording medium with dual magnetic layers including specific resins Atsushi Kato, Hiroyuki Murakami, Fumiko Koike 2009-09-08
6989203 Magnetic recording medium Atsushi Kato, Naoyuki Numata 2006-01-24
6972158 Magnetic recording medium Atsushi Kato, Naoyuki Numata 2005-12-06
6929850 Magnetic recording medium Atsushi Kato, Naoyuki Numata 2005-08-16