TM

Tsutomu Muraoka

Shimano: 3 patents #12 of 75Top 20%
Overall (2002): #19,145 of 266,432Top 8%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6382381 Bicycle hub assembly Shinpei Okajima 2002-05-07
6354668 Bicycle rim with wear indicator Shinpei Okajima 2002-03-12
6339323 Noise reduction for a bicycle spoke, especially useful as a magnetic device 2002-01-15