HI

Hirotsugu IWASAKI

SH Sumitomo Electric Hardmetal: 3 patents #130 of 278Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Kasai, JP: #1,836 of 5,842 inventorsTop 35%
Overall (All Time): #1,093,968 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12404570 Diamond sintered material and tool including diamond sintered material Akihiko Ueda, Michiko Matsukawa, Satoru Kukino 2025-09-02
12128482 Diamond joined body and method for manufacturing diamond joined body Jinning Li, Tadashi Yamaguchi, Shinichiro Yurugi 2024-10-29
11975392 Cutting tool and method for manufacturing same Hideki Tomimoto, Satoru Kukino, Takashi Harada, Naoki Watanobe, Mayuka Segawa 2024-05-07
4278442 Method for reducing caking property of coal Minoru Matsuda, Yasukatsu Tamai, Masashi Iino, Hiroshi Fukutome 1981-07-14