Tomoo Kobayashi
46Patents
8h-index
52Co-inventors
78Inventor score
Filing activity: Aug 12, 1992 → Feb 26, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5654119A | Organic electronic device comprising charge-transporting polyester and image forming apparatus | Physics | 24 | Expired |
| US5399452A | Electrophotographic photoreceptor | Physics | 17 | Expired |
| US5382489A | Electrophotographic photoreceptor with polycarbonate resin mixture | Physics | 13 | Expired |
| US5578406A | Electrophotographic photoreceptor | Physics | 12 | Expired |
| US8959707B2 | Vacuum cleaner | Performing Operations; Transporting | 11 | Active |
| US6723444B2 | Image recording material and image display material using the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5970272A | Apparatus for reusing image recording materials | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6045904A | Image recording member and method for recycling image recording member | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5336582A | Electrophotographic image formation comprising an arylamine in a charge transport layer and an encapsulated toner | Physics | 8 | Expired |
| US7070860B2 | Laminated film for electrophotography and method for producing same, and image forming method | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5888625A | Image recording paper | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7579130B2 | Image transfer sheet for electrophotography, method for manufacturing image recorded medium using the same, and image recorded medium | Emerging Cross-Sectional Technologies | 5 | Active |
| US6850729B2 | Image stripping member, and image stripping apparatus and image stripping method using the image stripping member | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5626997A | Electrophotographic process | Physics | 5 | Expired |
| US5840421A | Image recording medium capable of reuse | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5993957A | Recording medium capable of reuse | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9544405B1 | Method and apparatus for wired and wireless communication | Electricity | 4 | Active |
| US7205046B2 | Electrophotographic lamination film, a method of producing the same, and a method of forming an image | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7224221B2 | Power amplification apparatus, and mobile communication terminal apparatus | Electricity | 4 | Expired |
| US7400863B2 | Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus using the same | Electricity | 3 | Expired |
| US5826142A | Image forming apparatus and electrophotographic photosensitive member to be used therefor | Physics | 3 | Expired |
| US9523620B2 | Two-phase stainless steel, method of manufacturing the same, and diaphragm, pressure sensor, and diaphragm valve using two-phase stainless steel | Chemistry; Metallurgy | 3 | Active |
| US7820272B2 | Image transfer sheet for electrophotography, and image recorded medium, as well as method for manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US7052817B2 | Information recording medium and method of producing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5378570A | Electrophotographic photoreceptor | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.