Nakao Oi
11Patents
6h-index
13Co-inventors
63Inventor score
Filing activity: Mar 30, 1978 → Dec 6, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5471265A | Method of making photographs of different aspect ratios and a photographic film cartridge, a camera and a photographic printer for use in practicing the method | Physics | 71 | Expired |
| US5083155A | Cartridge for developed photographic film | Physics | 31 | Expired |
| US5343265A | Lens-fitted photographic film package and production method therefor | Physics | 27 | Expired |
| US5861911A | Film image input system | Electricity | 25 | Expired |
| US5488445A | Lens-fitted photographic film package and production method therefor | Physics | 12 | Expired |
| US5174519A | Film cassette | Physics | 12 | Expired |
| US6191810A | Film image input system for outputting an image signal to a video monitor | Electricity | 4 | Expired |
| US6342331B2 | Diffusion transfer film units with two receiving layers | Physics | 2 | Expired |
| US4174163A | Film unit processing means | Physics | 2 | Expired |
| US6278484A | Film image input system | Electricity | 2 | Expired |
| US6166762A | Film image input system | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.