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Patent applications and USPTO patent grants for Okuda; Masafumi.The latest application filed is for "method of inspecting spark plug and method of manufacturing spark plug".
Patent | Date |
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Method of inspecting spark plug and method of manufacturing spark plug Grant 10,644,483 - Okuda | 2020-05-05 |
Method Of Inspecting Spark Plug And Method Of Manufacturing Spark Plug App 20200044421 - OKUDA; Masafumi | 2020-02-06 |
Spark plug production method, spark plug production device and assembly inspection method Grant 10,447,015 - Okuda , et al. Oc | 2019-10-15 |
Spark Plug Production Method, Spark Plug Production Device And Assembly Inspection Method App 20190199070 - OKUDA; Masafumi ;   et al. | 2019-06-27 |
Spark plug production method, spark plug production device and assembly inspection method Grant 10,270,229 - Okuda , et al. | 2019-04-23 |
Method for producing spark plug Grant 10,205,306 - Okuda , et al. Feb | 2019-02-12 |
Spark Plug Production Method, Spark Plug Production Device And Assembly Inspection Method App 20180183217 - OKUDA; Masafumi ;   et al. | 2018-06-28 |
Method For Producing Spark Plug App 20180069379 - OKUDA; Masafumi ;   et al. | 2018-03-08 |
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