FT

Fujihisa Tatsumi

Shimano: 2 patents #376 of 759Top 50%
Overall (All Time): #2,006,508 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9341237 Bicycle chain connecting link Toru Kubota, Tsuyoshi Fukumori 2016-05-17
7152501 Bicycle crank fixing structure Masahiro Yamanaka 2006-12-26