Spark plug
US-10581226-B2 · Mar 3, 2020 · US
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Usami Kohei patents
Usami Kohei is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Usami Kohei |
| Total patents | 12 |
| First publication | Jun 2, 2016 |
| Latest publication | Mar 3, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Ignition plug
US-10178751-B2 · Jan 8, 2019 · US
Ignition plug and ignition device
US-10107252-B2 · Oct 23, 2018 · US
Ignition plug
US-2018288864-A1 · Oct 4, 2018 · US
Spark plug
US-2018287349-A1 · Oct 4, 2018 · US
Ignition plug and ignition device
US-9929541-B2 · Mar 27, 2018 · US
Ignition plug and ignition device
US-2018041013-A1 · Feb 8, 2018 · US
Spark plug
US-9780535-B2 · Oct 3, 2017 · US
Non-thermal equilibrium plasma ignition plug and non-thermal equilibrium plasma ignition device
US-9775227-B2 · Sep 26, 2017 · US
Spark plug
US-2017117686-A1 · Apr 27, 2017 · US
Recent patents
Latest publications not already listed above.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Ngk Spark Plug Co | 12 |
Top CPC classifications
Most common classification codes across this inventor's patents.