Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824173 | High-pressure metal pine having connecting head and method of forming the connecting head as well as sleeve washer for the connecting head | — | 2004-11-30 |
| 6811009 | Magnet type fan clutch apparatus | Hiroshi Inoue, Kazunori Takikawa | 2004-11-02 |
| 6805144 | Protective cover for umbrellas and umbrella with the protective cover fixed thereto | Masayoshi Usui, Kikuo Asada | 2004-10-19 |