Tomoegawa Paper Manufacturing Co., Ltd.
4Patents
0Active
4Granted
24Portfolio score
Filing activity: Jan 23, 1975 → Oct 28, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4539282A | Electrophotographic photoconductive elements | Physics | 9 | Expired |
| US4511642A | Photo-fixing heat-sensitive recording media with photosensitive diazonium salt, coupler, and organic boron salt | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4717709A | Thermosensitive recording material | Performing Operations; Transporting | 5 | Expired |
| US3998987A | Electrostatic recording element | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.