Inventor · disambiguated record
Nobuaki Sakayanagi
Also filed as: SAKAYANAGI NOBUAKI
11 granted patents·29 citations·filing 2010–2015
85Inventor score
Top patents by PatentIndex Score
11 records- 0190US8212463B2Spark plug and its manufacturing methodSAKAYANAGI NOBUAKI·Filed 2011·Granted Jul 3, 2012·8 cites·10 claims
- 0287US8354782B2Spark plugNGK SPARK PLUG CO·Filed 2010·Granted Jan 15, 2013·6 cites·8 claims
- 0386US8487520B2Spark plug and method of manufacturing the sameSAKAYANAGI NOBUAKI·Filed 2010·Granted Jul 16, 2013·6 cites·12 claims
- 0480US9252569B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Feb 2, 2016·3 cites·7 claims
- 0576US8841827B2Spark plug with improved resistance to spark-induced erosion of the ground electrode tipSAKAYANAGI NOBUAKI·Filed 2011·Granted Sep 23, 2014·3 cites·15 claims
- 0676US8264131B2Spark plugSAKAYANAGI NOBUAKI·Filed 2010·Granted Sep 11, 2012·3 cites·10 claims
- 0746US10052719B2Laser welding device, laser welding method, and battery casingPRIMEARTH EV ENERGY CO LTD·Filed 2015·Granted Aug 21, 2018·0 cites·15 claims
- 0846US8810118B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Aug 19, 2014·0 cites·6 claims
- 0937US9065255B2Spark plug and method of manufacturing the sameNGK SPARK PLUG CO·Filed 2013·Granted Jun 23, 2015·0 cites·9 claims
- 1037US8624473B2Spark plugNAKAYAMA KATSUTOSHI·Filed 2010·Granted Jan 7, 2014·0 cites·21 claims
- 1132US8506341B2Method of manufacturing sparkplugsNAKAYAMA KATSUTOSHI·Filed 2010·Granted Aug 13, 2013·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →