Inventor
WATANOBE Naoki
JP33 patents
⚠️ This page may combine multiple inventors who share the name “WATANOBE Naoki”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC HARDMETAL CORP
31 patentsUSD964440SSep 20, 2022
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP12 citations93
USD960214SAug 9, 2022
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP15 citations93
USD787578SMay 23, 2017
Throw-away tip for metal cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP14 citations91
USD1024146SApr 23, 2024
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP5 citations86
USD937330SNov 30, 2021
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP16 citations86
USD1024152SApr 23, 2024
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP5 citations85
USD1002690SOct 24, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP6 citations85
USD1001856SOct 17, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP6 citations85
US10010940B2Jul 3, 2018
Cubic boron nitride cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP14 citations84
USD1001169SOct 10, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP3 citations83
USD1100001SOct 28, 2025
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP1 citations75
USD1100000SOct 28, 2025
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP1 citations75
USD1009106SDec 26, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP1 citations72
US10160083B2Dec 25, 2018
Method for manufacturing cubic boron nitride cutting tool and cubic boron nitride cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP5 citations71
US9956619B2May 1, 2018
Cutting insert and cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP2 citations71
USD789430SJun 13, 2017
Throw-away tip for metal cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP4 citations71
USD1118720SMar 17, 2026
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations62
USD1031801SJun 18, 2024
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations62
USD1002691SOct 24, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations62
USD1001167SOct 10, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP1 citations62
USD1001168SOct 10, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations61
USD1000492SOct 3, 2023
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations61
US12427583B2Sep 30, 2025
Diamond cutting tool and method for manufacturing the same
SUMITOMO ELECTRIC HARDMETAL CORP0 citations52
US12409502B2Sep 9, 2025
Cubic boron nitride sintered material tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations52
US12318846B2Jun 3, 2025
Diamond tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations52
US12030143B2Jul 9, 2024
Method for manufacturing a cutting tool, and the cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations52
US11794259B2Oct 24, 2023
Rotary cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations52
US10625349B2Apr 21, 2020
Cubic boron nitride cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations52
US12186815B2Jan 7, 2025
Cutting tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations51
US11975392B2May 7, 2024
Cutting tool and method for manufacturing same
SUMITOMO ELECTRIC HARDMETAL CORP0 citations47
US10272498B2Apr 30, 2019
Composite sintered material and surface-coated boron nitride sintered material tool
SUMITOMO ELECTRIC HARDMETAL CORP0 citations41