HS

Hitoshi Sumiya

Sumitomo Electric Industries: 5 patents #34 of 508Top 7%
SH Sumitomo Electric Hardmetal: 1 patents #20 of 56Top 40%
Overall (2017): #30,742 of 506,227Top 7%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9850135 Polycrystalline diamond and manufacturing method thereof Kazuhiro Ikeda, Keiko Arimoto, Katsuko Yamamoto 2017-12-26
9725826 Single-crystal diamond and manufacturing method thereof Kazuhiro Ikeda 2017-08-08
9714197 Polycrystalline diamond and manufacturing method thereof, scribe tool, scribing wheel, dresser, rotating tool, orifice for water jet, wiredrawing die, cutting tool, and electron emission source Kazuhiro Ikeda, Keiko Arimoto, Katsuko Yamamoto, Takeshi Sato 2017-07-25
9663371 Polycrystalline diamond body, cutting tool, wear-resistant tool, grinding tool, and method for producing polycrystalline diamond body Yuh Ishida, Katsuko Yamamoto 2017-05-30
9630853 Method of preparing polycrystalline diamond Takeshi Sato, Katsuko Yamamoto, Naohiro Toda, Yutaka Kobayashi 2017-04-25