Tomonari Oka

Shimano: 3 patents #19 of 136Top 15%

Overall (2023): #57,749 of 537,848Top 15%

Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11642913	Sprocket support body and bicycle hub assembly	—	2023-05-09
11578761	Bicycle sprocket arrangement	—	2023-02-14
11571929	Wheel hub	—	2023-02-07