Inventor · disambiguated record
Ken Tomiyasu
Also filed as: TOMIYASU KEN
3 granted patents·1 pending application·21 citations·filing 1997–2022
63Inventor score
Top patents by PatentIndex Score
4 records- 0162US2024418301A1Oil-well metal pipeNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 0259US6009913ALubricant surface-treated steel pipe for hydroforming useSUMITOMO METAL IND·Filed 1997·Granted Jan 4, 2000·18 cites·12 claims
- 0354US12104085B2Oil-well metal pipe, and method for producing oil-well metal pipeNIPPON STEEL CORP·Filed 2021·Granted Oct 1, 2024·0 cites·13 claims
- 0450US7757479B2Secondary air supply system for an exhaust port of an engineHONDA MOTOR CO LTD·Filed 2005·Granted Jul 20, 2010·3 cites·5 claims
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