Tetsuya Imamura
35Patents
11h-index
55Co-inventors
78Inventor score
Filing activity: Feb 12, 1975 → Dec 9, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6600785B1 | Image processor, image data processor and variable length encoder/decoder | Electricity | 44 | Expired |
| USD316706S | Portable laptop computer | General | 29 | Expired |
| US4284533A | Liquid abrasive-containing cleanser composition | Chemistry; Metallurgy | 28 | Expired |
| US4002579A | Detergent composition | Chemistry; Metallurgy | 26 | Expired |
| US6331851A | Graphic display apparatus, synchronous reproduction method, and AV synchronous reproduction apparatus | Electricity | 25 | Expired |
| US4247408A | Acidic liquid detergent composition for cleaning hard surfaces containing polyoxyalkylene alkyl ether solvent | Chemistry; Metallurgy | 22 | Expired |
| US4501795A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 17 | Expired |
| USD315722S | Central processing unit for computer | General | 14 | Expired |
| US6535232B1 | Device for controlling quality of reproduction of motion picture and method for controlling the same | Physics | 13 | Expired |
| USD374030S | Electronic copying machine with facsimile | General | 13 | Expired |
| USD314947S | Central processing unit for a computer | General | 11 | Expired |
| US4530894A | Coated magnetic toner powder | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4675250A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4716078A | Substrate for a magnetic disc and method manufacturing same | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD316084S | Arithmetic processor for use in electronic computers | General | 7 | Expired |
| US4190549A | Soap for scouring pad | Chemistry; Metallurgy | 7 | Expired |
| US4644431A | Magnetic head for a perpendicular magnetic recording system | Physics | 6 | Expired |
| USD324675S | Portable computer | General | 6 | Expired |
| US4811152A | Protective structure for jacket for rotatable magnetic recording media | Physics | 6 | Expired |
| USD321177S | Portable computer | General | 5 | Expired |
| US4774140A | Glass-like carbon material, method for manufacturing the same, and slider part for use with a recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| USD341579S | Portable laptop computer | General | 5 | Expired |
| USD348053S | Portable laptop computer | General | 4 | Expired |
| US4243559A | Liquid detergent compositions containing alkanolamines and polyoxyalkylene alkyl ethers | Chemistry; Metallurgy | 4 | Expired |
| US4642720A | Magnetic head comprised of an improved base substance for high density magnetic recording | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.