Yasushi Hashimoto
38Patents
5h-index
49Co-inventors
69Inventor score
Filing activity: Apr 28, 1988 → Feb 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7794492B2 | Stent and stent graft | Human Necessities | 18 | Expired |
| US5206784A | Charger for electrophotography having a grid assembly | Physics | 15 | Expired |
| US4971595A | Sliding universal joint having a holder inclination restriction flange and independent rails | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7063472B2 | Sheet skew correcting apparatus and image forming apparatus | Performing Operations; Transporting | 7 | Expired |
| US5137496A | Sliding universal joint having a holder inclination restriction flange | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4954119A | Sliding universal joint having cylindrical holder positioning means | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8070795B2 | Stent with a joining portion and a non-joining portion for joining a stent main wire and a strut | Human Necessities | 5 | Active |
| US5101234A | Electrophotographic printing mechanism | Physics | 5 | Expired |
| US4904227A | Stopper apparatus for inner member in sliding universal joints | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9893415B2 | Two-wheeled motor vehicle | Performing Operations; Transporting | 5 | Active |
| US6227540A | Sheet carrying apparatus | Performing Operations; Transporting | 4 | Expired |
| US10608294B2 | Power storage device, cell, balance operation method, and program | Emerging Cross-Sectional Technologies | 4 | Active |
| US6445903B1 | Image forming apparatus having a sheet reversing device | Physics | 4 | Expired |
| US7017901B2 | Paper treating unit and image forming system using the same | Performing Operations; Transporting | 4 | Expired |
| US7600748B2 | Sheet feeding device with concave suction belt | Performing Operations; Transporting | 3 | Active |
| US7490826B2 | Sheet feed apparatus | Performing Operations; Transporting | 3 | Active |
| US6923439B2 | Image forming device | Performing Operations; Transporting | 3 | Expired |
| US8041277B2 | Image forming apparatus | Physics | 2 | Active |
| US6735414B2 | Paper ejection unit in a print apparatus | Physics | 2 | Expired |
| US4926216A | Feeder of sheet-like photo-sensitive material | Physics | 2 | Expired |
| US9233557B2 | Coating apparatus and image forming system | Performing Operations; Transporting | 2 | Active |
| US6808329B2 | Paper ejection apparatus in a print apparatus | Performing Operations; Transporting | 1 | Expired |
| US8033539B2 | Pressdown cam for post processing device | Performing Operations; Transporting | 1 | Active |
| US7497431B2 | Pneumatic type paper feeding apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7315358B2 | Evaluation apparatus and method of optical parts | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.