NN

Norio Nakabayashi

NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
Overall (All Time): #4,015,675 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4519686 Focusing screen of a camera Yasutomo Seki, Toshio Akiyama, Yutaka Iizuka 1985-05-28