Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072125 | Spark plug for use in an internal-combustion engine with a bilayer ground electrode | Kazuyoshi Torii, Wataru Matsutani | 2011-12-06 |
| 7892468 | Polytetrafluoroethylene slit yarn and method for manufacturing same | — | 2011-02-22 |