Inventor
YASUDA KEN
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YASUDA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS5916382AJun 29, 1999
High corrosion resistant high strength superalloy and gas turbine utilizing the alloy
HITACHI LTD60 citations95
US5480283AJan 2, 1996
Gas turbine and gas turbine nozzle
HITACHI LTD37 citations92
US5370497ADec 6, 1994
Gas turbine and gas turbine nozzle
HITACHI LTD40 citations92
US7347980B2Mar 25, 2008
Process for treating fluorine compound-containing gas
HITACHI LTD4 citations73
US6942841B2Sep 13, 2005
Process for treating fluorine compound-containing gas
HITACHI LTD11 citations73
US6855305B2Feb 15, 2005
Process for treating fluorine compound-containing gas
HITACHI LTD8 citations73
NTN TOYO BEARING CO LTD
5 patentsUS10107152B2Oct 23, 2018
Seal ring
NTN TOYO BEARING CO LTD3 citations72
US12158209B2Dec 3, 2024
Shaft seal
NTN TOYO BEARING CO LTD1 citations62
USD1106404SDec 16, 2025
Seal for flow control valve
NTN TOYO BEARING CO LTD0 citations56
US11828385B2Nov 28, 2023
Flow control valve seal and flow control valve device
NTN TOYO BEARING CO LTD0 citations52
US12578017B2Mar 17, 2026
Piston ring
NTN TOYO BEARING CO LTD0 citations51