Katsuhiro Kitajima
5Patents
2h-index
7Co-inventors
44Inventor score
Filing activity: May 14, 1986 → Nov 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4651660A | Sewing machine with an automatic threader | Textiles; Paper | 23 | Expired |
| US5906168A | Sewing machine with detachable cover | Textiles; Paper | 11 | Expired |
| US7197994B2 | Horizontal rotary hook for sewing machine | Textiles; Paper | 1 | Expired |
| US7389734B2 | Horizontal rotary hook for sewing machine | Textiles; Paper | 0 | Expired |
| US7523711B2 | Horizontal rotary hook for sewing machine | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.