HH

Hirokazu Hirayama

Shimano: 2 patents #43 of 147Top 30%
Overall (2018): #144,795 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10113649 Magnetic seal device and fishing reel including the seal device 2018-10-30
10021864 Fishing reel and magnetic seal device therefor Daiki Sumikawa, Hirokazu Hiraoka 2018-07-17