Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459854 | Lifting apparatus | Masaru Fujikawa | 2002-07-02 |
| D459855 | Lifting hook | Masaru Fujikawa | 2002-07-02 |
| 6390523 | Belt hoist | Masaru Fujikawa | 2002-05-21 |
| 6371543 | Sling | Masaru Fujikawa | 2002-04-16 |
| 6142448 | Belt hoist | Hidenori Fujiwara, Masaru Fujikawa | 2000-11-07 |
| 6030015 | Belt hoist having improved belt-hook assembly | Masaru Fujikawa | 2000-02-29 |
| 6003843 | Belt hoist | Hidenori Fujiwara, Masaru Fujikawa | 1999-12-21 |
| 5957433 | Belt hoist including a winding member with an improved belt fixing surface | Masaru Fujikawa | 1999-09-28 |