Eiichi Akutsu
115Patents
17h-index
49Co-inventors
86Inventor score
Filing activity: Dec 4, 1979 → Aug 8, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4620876A | Aqueous ink for ink-jet printing | Emerging Cross-Sectional Technologies | 90 | Expired |
| US6680242B2 | Method of forming crystalline semiconductor thin film on base substrate, lamination formed with crystalline semiconductor thin film and color filter | Electricity | 88 | Expired |
| US4737803A | Thermal electrostatic ink-jet recording apparatus | Performing Operations; Transporting | 65 | Expired |
| US4751532A | Thermal electrostatic ink-jet recording head | Performing Operations; Transporting | 59 | Expired |
| US4740420A | Recording medium for ink-jet printing | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4554555A | Recording method by use of inks | Chemistry; Metallurgy | 40 | Expired |
| US5198835A | Method of regenerating an ink image recording medium | Performing Operations; Transporting | 39 | Expired |
| US4748458A | Thermal electrostatic ink-jet recording apparatus | Performing Operations; Transporting | 36 | Expired |
| US5907348A | Fusing device using a heat accumulated heating medium and the fusing method using the same | Physics | 36 | Expired |
| US4680235A | Recording material for ink jet printing | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6503772B1 | Method of manufacturing a thin film transistor-integrated color filter | Physics | 24 | Expired |
| US7343060B2 | Light transmission and reception module, sub-mount, and method of manufacturing the sub-mount | Physics | 24 | Expired |
| US7248772B2 | Flexible optical waveguide | Physics | 23 | Expired |
| US4581071A | Aqueous ink for ink jet printing | Chemistry; Metallurgy | 22 | Expired |
| US4980705A | Print recording head | Performing Operations; Transporting | 19 | Expired |
| US6344301B1 | Method of forming colored film, driving device and liquid crystal display device | Physics | 18 | Expired |
| US7295743B2 | Optical waveguide, optical waveguide ferrule, and optical connector | Physics | 17 | Expired |
| US6255025A | Filter and process for producing same | Physics | 14 | Expired |
| US6141027A | Image recording method for recording a high quality image with an aqueous dye solution and accompanying apparatus | Performing Operations; Transporting | 14 | Expired |
| US6223017A | Laminate fixing roller, apparatus using same and method for manufacturing laminate fixing roller | Physics | 14 | Expired |
| US4301224A | Electrophotographic element with a combination of binder resins | Physics | 12 | Expired |
| US7029607B2 | Process for producing polymer optical waveguide | Performing Operations; Transporting | 12 | Expired |
| US6901198B2 | Polymer optical waveguide and process for producing the same | Physics | 11 | Expired |
| US6613486B1 | Method for producing color filter using photocatalysis, apparatus for producing color filter | Physics | 11 | Expired |
| US5151719A | Device for thermally fusing an unfused image on an image holding member | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.