Haruhiko Moriguchi
94Patents
22h-index
71Co-inventors
91Inventor score
Filing activity: Mar 6, 1980 → Jun 10, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4567488A | Thermal head drive device | Performing Operations; Transporting | 138 | Expired |
| US5444468A | Image forming apparatus with means for correcting image density unevenness | Performing Operations; Transporting | 127 | Expired |
| US5512924A | Jet apparatus having an ink jet head and temperature controller for that head | Mechanical Engineering; Lighting; Heating | 123 | Expired |
| US5353052A | Apparatus for producing unevenness correction data | Performing Operations; Transporting | 65 | Expired |
| US5276459A | Recording apparatus for performing uniform density image recording utilizing plural types of recording heads | Electricity | 61 | Expired |
| US5596353A | Image reading apparatus with a function for correcting nonuniformity in recording density | Electricity | 50 | Expired |
| US5343227A | Ink jet recording apparatus and ink jet recording head with means reducing the amount of warp | Performing Operations; Transporting | 45 | Expired |
| US4563691A | Thermo-sensitive recording apparatus | Performing Operations; Transporting | 44 | Expired |
| US4574293A | Compensation for heat accumulation in a thermal head | Performing Operations; Transporting | 42 | Expired |
| US4524368A | Thermal head drive circuit | Performing Operations; Transporting | 35 | Expired |
| US5736996A | Image reading apparatus with a function for correcting nonuniformity in recording density | Electricity | 34 | Expired |
| US4809063A | Multicolor printing method using rectangular dither matrices of different size, shape, and arrangement of threshold values to minimize overlap of differently colored inks at lower gradations | Electricity | 33 | Expired |
| US4870428A | Driving method for thermal head and thermal printer utilizing the same | Performing Operations; Transporting | 32 | Expired |
| US6000776A | Apparatus and method for regulating image density | Performing Operations; Transporting | 31 | Expired |
| US6097408A | Ink jet recording apparatus | Performing Operations; Transporting | 29 | Expired |
| US4568817A | Thermal printing method and apparatus | Performing Operations; Transporting | 27 | Expired |
| US4536774A | Thermal head drive circuit | Physics | 26 | Expired |
| US5402160A | Ink jet recording apparatus with plural heat pipes for temperature stabilization | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5305024A | Recording head and recording apparatus using same | Performing Operations; Transporting | 24 | Expired |
| US4385302A | Multicolor recording apparatus | Electricity | 23 | Expired |
| US4638372A | Color copier | Electricity | 23 | Expired |
| US4701811A | Tone reproduction method and apparatus | Electricity | 22 | Expired |
| US5451989A | Ink jet recording apparatus with a heat pipe for temperature stabilization | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4410897A | Two-sided recording device | Electricity | 22 | Expired |
| US5646659A | Ink jet recording apparatus, and method with control of ink drops and ink mist | Performing Operations; Transporting | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.