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Noboru Akiyama

DI Dai Nippon Insatsu: 2 patents #10 of 68Top 15%
HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #10,063 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5373469 Differential amplifier with a latching function and a memory apparatus employing same Takashi Akioka, Yutaka Kobayashi, Tatsuyuki Ohta, Koyo Katsura 1994-12-13
5325257 Disk cartridge Katsumi Kameda 1994-06-28
5289457 Disc cartridge with bent spring design for closing a closure shutter 1994-02-22