KK

Katsuo Kazahaya

SH Sumitomo Electric Hardmetal: 2 patents #28 of 90Top 35%
📍 Kasai, JP: #85 of 565 inventorsTop 20%
Overall (2021): #143,337 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10981235 Rotary cutting tool and method of manufacturing the same Nozomi Tsukihara, Yutaka Kobayashi 2021-04-20
10882117 Cutting tool Yutaka Kobayashi 2021-01-05