HM

Hiroki Matsuyama

KC Koyo Seiko Co.: 2 patents #16 of 130Top 15%
📍 Nara, JP: #41 of 307 inventorsTop 15%
Overall (2005): #53,719 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6893372 Roller bearing, transmission using the same and differential gear Akiyuki Suzuki, Yasunari Abo 2005-05-17
6860640 Tapered roller bearing Kanichi Kouda 2005-03-01