Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
NT

Natsuo Tatsumi

Sumitomo Electric Industries: 2 patents #88 of 538Top 20%
SH Sumitomo Electric Hardmetal: 1 patents #40 of 73Top 55%
📍 Itami, JP: #27 of 73 inventorsTop 40%
Overall (2025): #98,295 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12286726 Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamond Yoshiki Nishibayashi, Hitoshi Sumiya 2025-04-29
12215438 Single-crystal diamond and method of manufacturing the same Yoshiki Nishibayashi, Takuya Nohara, Akihiko Ueda, Yutaka Kobayashi 2025-02-04