Seikosha Co., Ltd.
751Patents
0Active
751Granted
43Portfolio score
Filing activity: Dec 12, 1973 → Nov 1, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5037018A | Automatic feeder | Emerging Cross-Sectional Technologies | 673 | Expired |
| US4113981A | Electrically conductive adhesive connecting arrays of conductors | Electricity | 166 | Expired |
| US4960719A | Method for producing amorphous silicon thin film transistor array substrate | Electricity | 120 | Expired |
| US5336004A | Dot printer | Performing Operations; Transporting | 101 | Expired |
| US5124959A | Hour chime clock | Physics | 85 | Expired |
| US5359747A | Power toothbrush | Human Necessities | 84 | Expired |
| US4796978A | Projection type liquid crystal displaying device | Physics | 65 | Expired |
| USD350364S | Printer for computer | General | 48 | Expired |
| US5148074A | Piezoelectric device and related converting devices | Electricity | 48 | Expired |
| US5374291A | Method of processing photosensitive glass | Emerging Cross-Sectional Technologies | 47 | Expired |
| USD335460S | Timer | General | 47 | Expired |
| USD351361S | Watch dial | General | 46 | Expired |
| USD314527S | Watchband | General | 45 | Expired |
| USD344468S | Watch band | General | 44 | Expired |
| USD326111S | Printing head for a printer | General | 42 | Expired |
| US5007033A | World timepiece | Physics | 40 | Expired |
| USD324651S | Packing box | General | 39 | Expired |
| US4129860A | Apparatus for forming a character by a matrix pattern of picture elements | Physics | 38 | Expired |
| US5071779A | Method for producing a silicon thin film transistor | Electricity | 36 | Expired |
| US4420652A | Hermetically sealed package | Electricity | 35 | Expired |
| US4916090A | Amorphous silicon thin film transistor and method of manufacturing the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5047819A | Amorphous-silicon thin film transistor array substrate | Electricity | 33 | Expired |
| US4861142A | Projection type liquid crystal displaying device | Electricity | 32 | Expired |
| USD351565S | Watch dial | General | 31 | Expired |
| USD309572S | Travel alarm clock | General | 31 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.