SK

Sachiko Kamata

Bridgestone: 2 patents #1,066 of 2,860Top 40%
OK Okamura: 1 patents #64 of 116Top 60%
Overall (All Time): #1,489,116 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D779238 Desk 2017-02-21
5964118 Method of manufacturing a sipe blade 1999-10-12
5163501 Split dies for casting small segments of tire mold Hideaki Tanaka, Kazuhiko Ota, Shirou Katsumata 1992-11-17