SANJO MACHINE WORKS, LTD.
7Patents
2Active
7Granted
40Portfolio score
Filing activity: Aug 11, 1975 → Sep 27, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5740661A | Method and apparatus of producing sheet wrapping body | Performing Operations; Transporting | 12 | Expired |
| US4695007A | Apparatus for continuously supplying sheets from supply rolls | Performing Operations; Transporting | 11 | Expired |
| US4008555A | Apparatus for piling rod-shaped articles in a container | Performing Operations; Transporting | 5 | Expired |
| US5236300A | Stacking and forwarding apparatus | Performing Operations; Transporting | 5 | Expired |
| US4672796A | Control method of stop waiting operation in collective packing machine | Performing Operations; Transporting | 2 | Expired |
| US12103100B2 | Method for manufacturing shaft | Performing Operations; Transporting | 0 | Active |
| US12115593B2 | Method for manufacturing shaft | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.