Mutoh Industry Ltd.
11Patents
0Active
11Granted
30Portfolio score
Filing activity: Feb 13, 1976 → Jun 6, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4070758A | Straightedge supporting device for rail type drawing instrument | Performing Operations; Transporting | 8 | Expired |
| US4427882A | Digital measuring device | Physics | 8 | Expired |
| US4151649A | Universal parallel ruler device | Performing Operations; Transporting | 7 | Expired |
| US4528682A | Digital measuring instruments | Electricity | 7 | Expired |
| US4346392A | Plotting head for use in drawing machine | Performing Operations; Transporting | 6 | Expired |
| US4646109A | Automatic drafting machine having air blower means for holding paper down | Physics | 5 | Expired |
| US4587742A | Scale balancing device in universal parallel ruler device | Performing Operations; Transporting | 2 | Expired |
| US4430805A | Rail type universal parallel ruler device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4654675A | Paper feeding device for automatic drafting machine | Physics | 1 | Expired |
| US4312132A | Rail type universal parallel ruler device | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US4019258A | Device for attaching rollers to a carriage adapted to move along a rail | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.