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Home › 2017 › Suncall › Ryuji Kishihara
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Ryuji Kishihara — 1 Patent in 2017

SUSuncall: 1 patents #1 of 4Top 25%
Kyoto, JP: #677 of 1,827 inventorsTop 40%
Overall (2017): #257,499 of 506,227Top 55%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9782819 Spiral spring manufacturing method Naoya Wada, Keiichiro Teratoko 2017-10-10

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