Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386808 | Structure of internal thread portion for preventing looseness and method of producing the same | Keiji Nomura | 2002-05-14 |
| 6364588 | Nut having corrugated thread | Keiji Nomura | 2002-04-02 |