HS

Hitoshi Sumiya

Sumitomo Electric Industries: 8 patents #16 of 713Top 3%
SH Sumitomo Electric Hardmetal: 2 patents #16 of 50Top 35%
Overall (2019): #14,352 of 560,194Top 3%
8
Patents 2019

Issued Patents 2019

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10519068 Cubic boron nitride polycrystal, cutting tool, wear-resistant tool, grinding tool, and method of producing cubic boron nitride polycrystal Yuh Ishida, Keiko Arimoto, Katsuko Yamamoto 2019-12-31
10457606 Composite sintered body Takeshi Satoh 2019-10-29
10442007 Composite polycrystal Takeshi Sato 2019-10-15
10421129 Polycrystalline diamond body, cutting tool, wear-resistant tool, grinding tool, and method for producing polycrystalline diamond body Yuh Ishida, Keiko Arimoto, Katsuko Yamamoto 2019-09-24
10399149 Composite polycrystal Takeshi Sato 2019-09-03
10316430 Single crystal diamond, method for manufacturing single crystal diamond, and tool containing single crystal diamond Yoshiki Nishibayashi, Natsuo Tatsumi, Akihiko Ueda, Yutaka Kobayashi 2019-06-11
10287708 Single-crystal diamond material, single-crystal diamond chip, and perforated tool Yoshiki Nishibayashi, Natsuo Tatsumi, Akihiko Ueda, Yutaka Kobayashi 2019-05-14
10280531 Diamond single crystal and production method thereof, and single crystal diamond tool Akihiko Ueda, Yoshiki Nishibayashi 2019-05-07