Hideki Yamaguchi
98Patents
26h-index
114Co-inventors
91Inventor score
Filing activity: Nov 19, 1980 → Mar 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5506611A | Replaceable ink cartridge having surface wiring resistance pattern | Performing Operations; Transporting | 272 | Expired |
| US5619237A | Replaceable ink tank | Performing Operations; Transporting | 180 | Expired |
| US4965596A | Ink jet recording apparatus with waste ink distribution paths to plural cartridges | Performing Operations; Transporting | 162 | Expired |
| US4967204A | Method for ensuring stable operation of an ink jet recording apparatus | Performing Operations; Transporting | 75 | Expired |
| US5841964A | Operating state management system | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4951066A | Ink jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each other | Performing Operations; Transporting | 61 | Expired |
| US5572105A | Stepping motor control method including varying the number of split sections in one step drive period of a stepping motor | Electricity | 56 | Expired |
| US6312084A | Ink jet recording apparatus and ink cartridge for the apparatus | Performing Operations; Transporting | 56 | Expired |
| US5231416A | Container for ink jet head and recovering method of ink jet head using container | Performing Operations; Transporting | 56 | Expired |
| US5841261A | System for controlling stepping motor for dividing a single step of the motor into plural sections and applying voltages whose levels are determined in accordance with the sections | Electricity | 52 | Expired |
| US5408257A | Ink tank having a partition member forming an ink flow path to an outlet | Performing Operations; Transporting | 51 | Expired |
| US6361158B1 | Ink container for ink jet printing, holder for the container, carriage for the holder and ink jet printer | Performing Operations; Transporting | 49 | Expired |
| US6336709B1 | Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer | Performing Operations; Transporting | 47 | Expired |
| US4893138A | Ink jet recovery device including a communicating valve and a ventilating valve | Performing Operations; Transporting | 45 | Expired |
| US5202702A | Ink jet recording apparatus and a method of cleaning a recording head used in the apparatus | Performing Operations; Transporting | 44 | Expired |
| US6045220A | Sheet supply apparatus | Performing Operations; Transporting | 44 | Expired |
| US5847719A | Recording apparatus | Performing Operations; Transporting | 43 | Expired |
| USD483844S1 | Gas water heater | General | 39 | Expired |
| US5373936A | Storage container | Performing Operations; Transporting | 39 | Expired |
| US5793399A | Sheet supplying apparatus | Performing Operations; Transporting | 35 | Expired |
| US4361254A | Hopper for storing free flowing solid material | Performing Operations; Transporting | 35 | Expired |
| US4970534A | Ink jet recovery device having a spring-loaded cap and a mechanism for pressing the cap against a recording head and apparatus incorporating the device | Performing Operations; Transporting | 32 | Expired |
| US5153613A | Suction recovery device for ink jet recording | Performing Operations; Transporting | 32 | Expired |
| US5992993A | Sheet supply apparatus | Performing Operations; Transporting | 30 | Expired |
| US5969299A | Exhaust system for vehicle | Mechanical Engineering; Lighting; Heating | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.