Takanori Fujii
27Patents
13h-index
45Co-inventors
81Inventor score
Filing activity: May 17, 1988 → Jun 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5601903A | Organic electroluminescent elements | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5432014A | Organic electroluminescent element and a method for producing the same | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6106973A | Thin type battery with laminated sheathing | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5674597A | Organic electroluminescent elements | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5858563A | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5449564A | Organic electroluminescent element having improved durability | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5529853A | Organic electroluminescent element | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5693428A | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5456988A | Organic electroluminescent device having improved durability | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4989958A | Focus adjusting apparatus provided with a focus lens member formed of polymer gel substance having electro-reactive deformability | Physics | 22 | Expired |
| US6883016B1 | Electronic mail terminal device and method of controlling the same | Electricity | 16 | Expired |
| US5457357A | Organic electroluminescent device having improved durability and producing method thereof | Electricity | 14 | Expired |
| US5716722A | Organic electrolluminescent device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6100497A | Method of and apparatus for welding workpiece | Performing Operations; Transporting | 13 | Expired |
| US6337153B1 | Sealed non-aqueous electrolyte cell having a casing of a sheet of laminated material | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6072149A | Laser beam welding apparatus | Performing Operations; Transporting | 8 | Expired |
| US6127647A | Methods of and apparatus for welding workpiece with laser beams | Performing Operations; Transporting | 6 | Expired |
| US4997244A | Optical wavelength converting device and manufacturing method thereof | Physics | 5 | Expired |
| US5365517A | ISDN Terminal equipment | Electricity | 4 | Expired |
| US4874646A | Ultrafine tube and method for its production | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7077355B2 | Split-type stator core winding device | Electricity | 1 | Expired |
| US7283569B2 | Site delivery method, method for receiving digital satellite broadcast, and receiver for digital satellite broadcast | Electricity | 0 | Expired |
| US7502132B2 | Facsimile apparatus | Electricity | 0 | Active |
| US7925933B2 | Multifunctional terminal device | Electricity | 0 | Active |
| US8300260B2 | Image forming apparatus, print control method, and computer-readable recording medium storing print control program | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.