Hidenobu Ohya
34Patents
9h-index
46Co-inventors
75Inventor score
Filing activity: Dec 23, 1985 → Feb 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5753017A | Ink jet recording ink and recording method employing the same | Chemistry; Metallurgy | 20 | Expired |
| US6902267B2 | Ink-jet image forming method | Performing Operations; Transporting | 18 | Expired |
| US6572228B2 | Image forming method | Performing Operations; Transporting | 18 | Expired |
| US7213915B2 | Ink jet printer and image recording method | Performing Operations; Transporting | 16 | Expired |
| US4983502A | Heat developing photosensitive material | Physics | 14 | Expired |
| US5066574A | Silver halide photographic light-sensitive material containing a novel yellow coupler | Chemistry; Metallurgy | 13 | Expired |
| US5084376A | Heat-developable color light-sensitive material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7229167B2 | Ink jet recording apparatus, ink-jet recording method and ink jet recording medium | Performing Operations; Transporting | 12 | Expired |
| US6908189B2 | Ink jet recording apparatus, ink-jet recording method and ink jet recording medium | Performing Operations; Transporting | 11 | Expired |
| US4847188A | Thermally developable light-sensitive material | Physics | 9 | Expired |
| US7261405B2 | Ink-jet recoding method and recorded matter | Performing Operations; Transporting | 9 | Expired |
| US5382500A | Silver halide color photographic light-sensitive material | Physics | 6 | Expired |
| US6902266B2 | Fixing belt, fixing roller, production method thereof, fixing apparatus and image fixing method utilizing the apparatus | Performing Operations; Transporting | 4 | Expired |
| US8770733B2 | Water-based inkjet ink, method for producing inkjet printed product using the same, and method for producing water-based inkjet ink | Chemistry; Metallurgy | 3 | Active |
| US4650748A | Heat-developable color photo-sensitive material | Physics | 3 | Expired |
| US6808258B2 | Ink-jet image forming method | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6935733B2 | Fixing belt, fixing roller, production method thereof, fixing apparatus and image fixing method utilizing the apparatus | Performing Operations; Transporting | 3 | Expired |
| US5104780A | Light-sensitive halide color photographic material containing non-diffusion coupler/1-phenyl-3-pyrazolidone derivative | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8777392B2 | Inkjet ink and inkjet recording method | Performing Operations; Transporting | 2 | Active |
| US7273276B2 | Method for forming image | Performing Operations; Transporting | 2 | Expired |
| US7073899B2 | Ink jet recording method | Performing Operations; Transporting | 1 | Expired |
| US7238399B2 | Ink jet recording medium, its manufacturing method, ink jet image forming method and image formed thereby | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6344075B1 | Dye and image recording material, and thermal transfer material and ink-jet recording liquid | Performing Operations; Transporting | 1 | Expired |
| US5071739A | Silver halide color photographic light-sensitive material containing magenta coupler | Physics | 1 | Expired |
| US5556740A | Heat-developable photosensitive material | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.