Shigeyuki Hayashi
63Patents
11h-index
80Co-inventors
81Inventor score
Filing activity: May 24, 1977 → Jan 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4875074A | Image recording apparatus | Physics | 109 | Expired |
| US4725157A | Printing device with a pair of housings combined for relative rocking motion | Performing Operations; Transporting | 36 | Expired |
| US4714943A | Imaging device | Physics | 32 | Expired |
| US8789556B2 | Flow rate control device, diagnostic device for use in flow rate measuring mechanism or for use in flow rate control device including the flow rate measuring mechanism and recording medium having diagnostic program recorded thereon for use in the same | Emerging Cross-Sectional Technologies | 24 | Active |
| USD442211S | Ink ribbon cartridge for printing device | General | 21 | Expired |
| US5064183A | Suction type sheet feeding device | Performing Operations; Transporting | 15 | Expired |
| US5130115A | Process for hydrogen production from kerosene | Chemistry; Metallurgy | 15 | Expired |
| US6595710B2 | Image forming device and ink sheet cartridge mounted on the image forming device | Performing Operations; Transporting | 14 | Expired |
| US8967200B2 | Fluid control valve | Emerging Cross-Sectional Technologies | 13 | Active |
| US5026039A | Sheet storage case for use in image recording apparatus | Performing Operations; Transporting | 12 | Expired |
| US9371930B2 | Fluid control valve | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US6805425B2 | Image forming device | Performing Operations; Transporting | 11 | Expired |
| US7147316B2 | Image forming device | Performing Operations; Transporting | 10 | Expired |
| US4139511A | Asphalt compositions | Chemistry; Metallurgy | 9 | Expired |
| US8844901B2 | Flow control valve | Emerging Cross-Sectional Technologies | 9 | Active |
| US4937592A | Image recording--of recording sheets | Physics | 9 | Expired |
| US4296644A | Casing for a transmission | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4945374A | Pressure developing device | Physics | 8 | Expired |
| US6827510B2 | Ink sheet cartridge having partitioning plate including at least two symmetrically positioned recesses | Performing Operations; Transporting | 8 | Expired |
| US6621510B2 | Ink sheet cartridge and exchangeable ink-sheet set mounted on the ink sheet cartridge | Performing Operations; Transporting | 8 | Expired |
| US4248749A | Stripping-resistant asphalt compositions | Chemistry; Metallurgy | 7 | Expired |
| US6178863A | Paper transfer assembly, and image reading and/or recording apparatus incorporating the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5126781A | Image recording apparatus | Physics | 7 | Expired |
| US9328826B2 | Fluid control valve and mass flow controller | Emerging Cross-Sectional Technologies | 7 | Active |
| US4903070A | Image recording apparatus | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.