Hiroshi Iida
55Patents
14h-index
108Co-inventors
87Inventor score
Filing activity: Jun 10, 1975 → Feb 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4977413A | Ink remain detector having a flexible member and a liquid injection recording apparatus utilizing the detector | Performing Operations; Transporting | 90 | Expired |
| US5136309A | Liquid injection apparatus with residual ink quantity detecting means | Performing Operations; Transporting | 65 | Expired |
| US7690258B2 | Buried pipe examining method | Physics | 43 | Active |
| US4284540A | Polyethylene terephthalate molding compositions | Chemistry; Metallurgy | 41 | Expired |
| US6631495B2 | Electronic document identification, filing, and retrieval system | Physics | 40 | Expired |
| US4059197A | Spare tire carrier | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5623290A | Recording apparatus and supply system having residual ink quantity detection | Performing Operations; Transporting | 36 | Expired |
| US6123258A | Information embedding and resolving method and apparatus | Physics | 35 | Expired |
| US5729256A | Ink remain detector having a biased flexible film member with limited deformation | Performing Operations; Transporting | 32 | Expired |
| US5302971A | Liquid discharge recording apparatus and method for maintaining proper ink viscosity by deactivating heating during capping and for preventing overheating by having plural heating modes | Performing Operations; Transporting | 22 | Expired |
| US5339098A | Liquid discharge recording apparatus having apparatus for effecting preparatory emission | Performing Operations; Transporting | 22 | Expired |
| US4448614A | Process for cooling a cold rolled steel strip | Chemistry; Metallurgy | 20 | Expired |
| US4656241A | Method for producing polybutylene terephthalate | Chemistry; Metallurgy | 19 | Expired |
| US5887088A | Inputting device and inputting method for information processing system | Electricity | 16 | Expired |
| US4239483A | Method of controlling steel strip temperature in continuous heating equipment | Chemistry; Metallurgy | 14 | Expired |
| US5361789A | Washing/drying method and apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4123902A | Exhaust port liner for multi-cylinder internal combustion engine | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5203927A | Washing/drying method with an aqueous solution containing surfactant | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4443552A | Catalysts for the catalytic cracking of heavy oil | Chemistry; Metallurgy | 11 | Expired |
| US4132124A | Shift mechanism for automotive transmission | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5548308A | Liquid discharge recording apparatus having apparatus for effecting preparatory emission | Performing Operations; Transporting | 11 | Expired |
| US4117406A | Muting arrangement for AM synchronous detector using a PLL circuit | Electricity | 10 | Expired |
| US5391278A | Process for removal of hydrogen sulfide | Performing Operations; Transporting | 10 | Expired |
| US6344500B1 | Aqueous primer coating composition and article coated therewith | Chemistry; Metallurgy | 9 | Expired |
| US5146742A | Ion thruster for interplanetary space mission | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.