Riccar Co., Ltd.
5Patents
0Active
5Granted
25Portfolio score
Filing activity: Feb 23, 1979 → Nov 28, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4351996A | Induction heating apparatus with thermistor and magnetic sensor | Electricity | 36 | Expired |
| US4467162A | Exciting arrangement for induction heating process | Electricity | 25 | Expired |
| US4417531A | Sewing machine with electronic controlled stitch pattern generator | Textiles; Paper | 5 | Expired |
| US4430542A | Electromagnetic cooking apparatus | Electricity | 2 | Expired |
| US4258638A | Electromagnetic control device for sewing machine | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.