HS

Hitoshi Sumiya

Sumitomo Electric Industries: 4 patents #64 of 723Top 9%
A. A.L.M.T.: 2 patents #1 of 17Top 6%
SH Sumitomo Electric Hardmetal: 1 patents #48 of 90Top 55%
Overall (2021): #49,196 of 548,734Top 9%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11072008 Wear-resistant tool Takeshi Sato, Makoto Yukawa, Bunya Suemitsu 2021-07-27
11041791 Indenter made of polycrystalline diamond, and method and apparatus using the same for evaluating crack initiation load Kensei Hamaki, Katsuko Yamamoto, Yuh Ishida 2021-06-22
11007558 Diamond die Makoto Yukawa, Bunya Suemitsu, Takuya Kinoshita, Shigetoshi Sumimoto, Yutaka Kobayashi +3 more 2021-05-18
11001938 Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond Yoshiki Nishibayashi, Natsuo Tatsumi 2021-05-11