Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386808 | Structure of internal thread portion for preventing looseness and method of producing the same | Naoyuki Fujii | 2002-05-14 |
| 6364588 | Nut having corrugated thread | Naoyuki Fujii | 2002-04-02 |
| 6334747 | Nut, bolt, and thread unit of female and male thread members | Makoto Torisu, Ryuji Suzuki | 2002-01-01 |