AU

Atsushi Umezawa

Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Ushiku, JP: #95 of 241 inventorsTop 40%
Overall (All Time): #2,093,643 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8223619 Optical recording medium, reproduction apparatus, and tracking servo method Kunihiro Shioura, Shiro Morotomi, Minoru Tobita, Toshiya Murakami 2012-07-17
7090935 Magnetic card Minoru Azakami, Kenji Ueda, Tetsuya Toshine, Toru Nishioka, Akihiro Mizumura 2006-08-15