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Nobuhiko Naganawa

HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,329,439 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4814920 Magnetic head with a slider Minoru Yamano, Hideo Fujiwara, Masashi Hayashi 1989-03-21
4734815 Disc cartridge with a cleaning mechanism Yoshitake Kato, Minoru Fujita, Kazuya Fukunaga 1988-03-29