Yutaka Kojima
26Patents
12h-index
47Co-inventors
81Inventor score
Filing activity: Jun 7, 1978 → Jun 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5180624A | Ink jet recording paper | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4478910A | Ink jet recording paper | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4830911A | Recording sheet for ink jet printers | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5165973A | Ink jet recording sheet | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5279885A | Ink-jet recording sheet | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4474859A | Thermal dye-transfer type recording sheet | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4448168A | Fuel injection system | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4650714A | Ink jet recording sheet | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7172430B2 | Memory card connector with ESD protection and card locking device | Electricity | 14 | Expired |
| US4845193A | Process for producing polycarbonate resin molding material having low particle content with vented extruder | Chemistry; Metallurgy | 14 | Expired |
| US4567114A | Thermal dye-transfer type recording sheet | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4490434A | Thermal dye-transfer type recording sheet | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4625840A | Hydraulic control unit for automotive transmissions | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4580457A | Manual or hydraulic gearshifting apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7427026B2 | Memory card adapter for connecting a miniature card to a standard card connector, along with a method of fabricating same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5578971A | Amplitude modulation circuit and method | Electricity | 8 | Expired |
| US5454013A | Amplitude modulation method and broadcasting apparatus for carrying out the method | Electricity | 7 | Expired |
| US4608561A | Time division multiplexing load control system having manual switch for directly controlling loads | Electricity | 6 | Expired |
| US4184911A | Process for producing powdery polycarbonate from a polycarbonate solution | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4490435A | Thermal dye-transfer type recording sheet | Emerging Cross-Sectional Technologies | 6 | Expired |
| US11442244B2 | Imaging device | Physics | 1 | Active |
| US7762820B2 | Solder ball socket connector | Electricity | 0 | Active |
| US11513429B2 | Camera accessory and camera | Physics | 0 | Active |
| US9323484B2 | Print instruction apparatus, printer, printing system, print instruction method, and non-transitory computer readable medium | Physics | 0 | Active |
| US10205857B2 | Image pickup device with land layout that enables reliable soldering, and mounting board therefor | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.