Seiko Electronic Components Ltd.
30Patents
0Active
30Granted
38Portfolio score
Filing activity: Jun 12, 1986 → Sep 6, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5395711A | Non-aqueous electrolyte secondary battery and its production method | Emerging Cross-Sectional Technologies | 166 | Expired |
| US5286582A | Monaqueous electrolyte secondary battery and process for producing positive active materials | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4900971A | Face shear mode quartz crystal resonator | Electricity | 50 | Expired |
| US5001383A | Longitudinal quartz crystal resonator | Electricity | 49 | Expired |
| US5556721A | Non-aqueous electrolyte secondary battery and production method of the same | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5059388A | Process for manufacturing sintered bodies | Chemistry; Metallurgy | 34 | Expired |
| US4851792A | Temperature-compensated oscillator circuit | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4865932A | Electric cells and process for making the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5516328A | End surface polishing machine | Physics | 31 | Expired |
| US5334900A | Torsional quartz crystal resonator | Electricity | 31 | Expired |
| US4939050A | Electric cells | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5401599A | Non-aqueous electrolyte secondary battery and method of producing the same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5506075A | Non-aqueous electrolyte secondary battery and method of producing the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5108855A | Secondary battery | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4824745A | Electric cell comprising a polymeric material film electrode having a collection integrated therewith | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5059853A | Longitudinal quartz crystal resonator | Electricity | 15 | Expired |
| US5107164A | Length-extentional quartz resonator | Electricity | 14 | Expired |
| US5218260A | Longitudinal quartz crystal resonator | Electricity | 14 | Expired |
| US5280236A | IC test instrument | Physics | 14 | Expired |
| US4910473A | Digitally temperature-compensated oscillator | Electricity | 14 | Expired |
| US4732825A | Flat cell | Electricity | 14 | Expired |
| US5066556A | Non-aqueous electrolyte secondary cell | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5116700A | Power source element with connecting terminals | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4804597A | Organic electrolyte cell | Electricity | 7 | Expired |
| US5478670A | Non-aqueous electrolyte electrochemical cell comprising high Ni austenitic stainless steel positive electrode case | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.