SY

Shinji Yasuhara

KC Koyo Machine Industries Co.: 1 patents #1 of 4Top 25%
KC Koyo Seiko Co.: 1 patents #10 of 36Top 30%
Overall (1997): #77,049 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5700115 Speed-increasing spindle device Akira Chikamori 1997-12-23