Toshikogyo Co., Ltd.
7Patents
2Active
7Granted
33Portfolio score
Filing activity: Nov 17, 1978 → Nov 10, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4937097A | Apparatus for and method of screen printing on boards | Electricity | 13 | Expired |
| US4419613A | Apparatus for intermittently driving endless belt in automatic screen printing machine | Performing Operations; Transporting | 7 | Expired |
| US4296365A | Method and apparatus for correcting errors of feeding of endless belt in automatic screen printing | Performing Operations; Transporting | 7 | Expired |
| US4273042A | Automatic screen printing process and apparatus | Performing Operations; Transporting | 5 | Expired |
| US4285274A | Seamless cylindrical printing screen and process for preparation thereof | Performing Operations; Transporting | 4 | Expired |
| US10175189B2 | Determination device for determining an improvement in water quality | Chemistry; Metallurgy | 0 | Active |
| US10718734B2 | Method for determining antirust effect of treated water | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.