Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811874 | Composite fiber | Masao Kawamoto, Hitoshi Nakatsuka, Nobuhiro Koga, Ichirou Inoue, Tateki Yamakawa | 2004-11-02 |
| 6792786 | Fabrication method of metal shell of spark plug | — | 2004-09-21 |