Akio Ohno
36Patents
17h-index
47Co-inventors
81Inventor score
Filing activity: Mar 7, 1979 → Jul 31, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4549803A | Recording apparatus | Physics | 65 | Expired |
| USD671584S1 | Digital camera | General | 52 | Active |
| US4743938A | Color image forming apparatus | Physics | 44 | Expired |
| US4622916A | Color image forming apparatus | Physics | 40 | Expired |
| USD668701S1 | Surveillance camera | General | 37 | Active |
| US4615612A | Color image forming apparatus | Physics | 34 | Expired |
| US4620783A | Color image forming apparatus | Physics | 31 | Expired |
| USD668283S1 | Surveillance camera | General | 29 | Active |
| US4646679A | Developing apparatus | Physics | 27 | Expired |
| USD668282S1 | Surveillance camera | General | 27 | Active |
| US4697915A | Image forming apparatus with detecting and controlling means | Physics | 25 | Expired |
| USD676900S1 | Point of sales terminal | General | 24 | Active |
| US5091751A | Image forming apparatus utilizing intermediate transfer member | Physics | 24 | Expired |
| US4752804A | Multicolored image forming apparatus in which toner images are successively transferred from a plurality of image bearing members to a transfer material | Physics | 23 | Expired |
| US4301356A | Heating unit and method for production thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4676627A | Image forming apparatus | Physics | 18 | Expired |
| US6052552A | Image forming apparatus with skew correction | Electricity | 17 | Expired |
| USD277564S | Combined tape recorder and radio receiver | General | 17 | Expired |
| USD273379S | Combined portable radio and cassette tape recorder | General | 13 | Expired |
| US5216475A | Pulley driven image forming apparatus | Physics | 11 | Expired |
| US6545693B2 | Exposing unit having first and second fixing members | Physics | 11 | Expired |
| US4688930A | Original reading apparatus | Physics | 9 | Expired |
| USD386500S | Video editor with liquid crystal monitor | General | 9 | Expired |
| USD277751S | Combined tape recorder and radio receiver | General | 9 | Expired |
| US4888621A | Multiple image forming apparatus with charger to prevent disturbance of already-transferred images | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.