Ryuichi Kobayashi
46Patents
11h-index
35Co-inventors
75Inventor score
Filing activity: Oct 4, 1984 → Jan 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4864344A | Power focus device in a camera | Physics | 26 | Expired |
| US4616913A | Camera | Physics | 23 | Expired |
| US5949230A | Non-contact voltage probe apparatus | Physics | 17 | Expired |
| US5781818A | System for communication between camera and accessory | Physics | 15 | Expired |
| US4697899A | Motorized drive device for camera | Physics | 14 | Expired |
| US4717934A | Camera system | Physics | 13 | Expired |
| US4718758A | Camera | Physics | 13 | Expired |
| US4699487A | Mode setting device for camera | Physics | 13 | Expired |
| US4673272A | Film transport apparatus for camera | Physics | 13 | Expired |
| US4679925A | Camera | Physics | 12 | Expired |
| US6154710A | Method and apparatus for searching electromagnetic disturbing source and non-contact voltage probe apparatus therefor | Physics | 11 | Expired |
| US4676624A | Multiple exposure device for camera | Physics | 10 | Expired |
| US4734732A | Film transportation device for camera | Physics | 10 | Expired |
| US4636056A | Electrical power supply circuit in a camera | Physics | 9 | Expired |
| US4702585A | Analog-to-digital converter for camera | Physics | 9 | Expired |
| US5291236A | Camera | Physics | 8 | Expired |
| US4659201A | Drive device for camera | Physics | 8 | Expired |
| US7719707B2 | Printing system, printing method, image capturing apparatus, image processing method, storage medium, and program | Electricity | 7 | Active |
| US5740478A | Camera having autofocus apparatus | Physics | 7 | Expired |
| US5264894A | Camera | Physics | 6 | Expired |
| US4766452A | Transmission changeover mechanism for camera | Physics | 6 | Expired |
| US4887117A | Camera having auto-focus device | Physics | 6 | Expired |
| US4806963A | Aperture decision system for flash photographing | Physics | 6 | Expired |
| US5708873A | Flash photographing system | Physics | 6 | Expired |
| US4685789A | Camera | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.