Inventor
YAO XIAN
US15 patents
⚠️ This page may combine multiple inventors who share the name “YAO XIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
7 patentsUS5830813ANov 3, 1998
Method of making a polycrystalline cubic boron nitride cutting tool
SMITH INTERNATIONAL65 citations95
US5639285AJun 17, 1997
Polycrystallline cubic boron nitride cutting tool
SMITH INTERNATIONAL58 citations95
US5326380AJul 5, 1994
Synthesis of polycrystalline cubic boron nitride
SMITH INTERNATIONAL88 citations95
US5271749ADec 21, 1993
Synthesis of polycrystalline cubic boron nitride
SMITH INTERNATIONAL87 citations95
US6140262AOct 31, 2000
Polycrystalline cubic boron nitride cutting tool
SMITH INTERNATIONAL22 citations89
US6331497B1Dec 18, 2001
Polycrystalline cubic boron nitride cutting tool
SMITH INTERNATIONAL16 citations80
US7368079B2May 6, 2008
Method for forming ultra hard sintered compacts using metallic peripheral structures in the sintering cell
SMITH INTERNATIONAL12 citations77
BAO YAHUA
3 patentsUS9028573B2May 12, 2015
EDM cuttable, high cBN content solid PCBN compact
BAO YAHUA3 citations60
US9028575B2May 12, 2015
EDM cuttable, high CBN content solid PCBN compact
BAO YAHUA1 citations49
US9670100B2Jun 6, 2017
Fabrication of ultrafine polycrystalline diamond with nano-sized grain growth inhibitor
BAO YAHUA0 citations39
SCHLUMBERGER TECHNOLOGY CORP
2 patentsUS11578538B2Feb 14, 2023
Cutting element with nonplanar face to improve cutting efficiency and durability
SCHLUMBERGER TECHNOLOGY CORP6 citations83
US12078016B2Sep 3, 2024
Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability
SCHLUMBERGER TECHNOLOGY CORP0 citations60