Fujikura Kasei Co., Ltd.
52Patents
28Active
52Granted
45Portfolio score
Filing activity: Jan 14, 1976 → Mar 9, 2021 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5374367A | Electro-sensitive composition | Physics | 55 | Expired |
| US4840863A | Positively chargeable toner for use in dry electrophotography | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4049874A | Process for producing an architectural precast concrete panel | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4883735A | Negatively chargeable toner for use in dry electrophotography | Physics | 21 | Expired |
| US4524186A | Process for producing water-absorbing resins | Chemistry; Metallurgy | 14 | Expired |
| US5612161A | Negatively chargable toner for electrophotography | Physics | 14 | Expired |
| US6942825B2 | Silver compound paste | Electricity | 13 | Expired |
| US8499794B2 | Liquid channel device and production method therefor | Emerging Cross-Sectional Technologies | 12 | Active |
| US4652511A | Process for producing resin composition useful as electrophotograhic toner | Chemistry; Metallurgy | 10 | Expired |
| US5736064A | Electrorheological fluid composition containing inorganic/organic composite particles | Chemistry; Metallurgy | 9 | Expired |
| US5695678A | Electrorheological fluid composition containing inorganic/organic composite particles | Chemistry; Metallurgy | 7 | Expired |
| US5783517A | Printing paper for thermal transfer | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5317060A | Process for producing composite resin for toner | Physics | 6 | Expired |
| US7771627B2 | Conductive composition | Chemistry; Metallurgy | 5 | Expired |
| US4702989A | Process for producing pressure-fixable electrophotographic toners | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6627681B1 | Method of decreasing unreacted monomer in vinyl polymer and a toner resin in which unreacted monomer has been decreased | Physics | 3 | Expired |
| US9579653B2 | Liquid channel device and production method therefor | Emerging Cross-Sectional Technologies | 2 | Active |
| US9283562B2 | Liquid channel device and production method therefor | Emerging Cross-Sectional Technologies | 2 | Active |
| US5916948A | Aqueous resin composition, production method therefor, and aqueous coating | Chemistry; Metallurgy | 2 | Expired |
| US7615281B2 | Radio wave absorbing coating composition and coated object therewith | Emerging Cross-Sectional Technologies | 2 | Active |
| US5705969A | Actuator | Electricity | 2 | Expired |
| US10053602B2 | Adhesive agent composition | Chemistry; Metallurgy | 1 | Active |
| US8426027B2 | Composition for coating plastic substrate, coating film formed therefrom, and formed body | Emerging Cross-Sectional Technologies | 1 | Active |
| US7300977B2 | Acrylic modified chlorinated polyolefin resin, process for producing the same, and coating composition containing the same for polyolefin material | Chemistry; Metallurgy | 1 | Expired |
| US9283561B2 | Liquid channel device and production method therefor | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.