HS

Hitoshi Sumiya

Sumitomo Electric Industries: 3 patents #49 of 538Top 10%
Overall (2025): #60,554 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12391552 Polycrystalline cubic crystal boron nitride and tool Yuh Ishida 2025-08-19
12286726 Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond Yoshiki Nishibayashi, Natsuo Tatsumi 2025-04-29
12258677 Synthetic single crystal diamond, tool including the same and method of producing synthetic single crystal diamond Yoshiki Nishibayashi, Minori TERAMOTO, Yutaka Kobayashi, Issei Satoh, Ryo Toyoshima 2025-03-25