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Ryuji Maruyama — 1 Patent

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Nagano, JP: #2,167 of 3,331 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ryuji Maruyama has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1995. Ryuji Maruyama ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ryuji Maruyama in Nagano, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5419280 Milking machine Toshimitsu Musha, Seiji Horiuchi, Kiyotaka Matsuki, Naotake Nishizawa, Hiroyuki Iwasaki +1 more 1995-05-30

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