Seimei Ushiro
43Patents
15h-index
43Co-inventors
81Inventor score
Filing activity: Aug 7, 1986 → Nov 1, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4884087A | Photographic film package and method of making the same | Physics | 77 | Expired |
| US4972649A | Photographic film package and method of making the same | Physics | 69 | Expired |
| US4954857A | Photographic film package and method of making the same | Physics | 61 | Expired |
| US5090800A | Projector having a liquid crystal display panel | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5063400A | Lens-fitted photographic film package | Physics | 45 | Expired |
| US4855774A | Lens-fitted photographic film package | Physics | 37 | Expired |
| US4833495A | Lens-fitted photographic film package | Physics | 36 | Expired |
| US4890130A | Lens-fitted photographic film package | Physics | 36 | Expired |
| US4829384A | Camera for shooting movie and still pictures | Electricity | 31 | Expired |
| US7636518B2 | Digital camera | Electricity | 25 | Active |
| US4812866A | Photographic film package | Physics | 23 | Expired |
| US4763145A | Water-resistant camera with automatic internal air-pressure adjustment | Physics | 20 | Expired |
| US4811110A | Reflection-type overhead projector | Electricity | 19 | Expired |
| US4921343A | Overhead projector | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5023639A | Slave electronic flash unit for a camera | Physics | 16 | Expired |
| US7239416B2 | Printing method, portable communication terminal and portable printer | Electricity | 13 | Expired |
| US7020493B2 | Portable communication terminal with multiple displays | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6742943B2 | Imaging device | Electricity | 12 | Expired |
| US4831398A | Photographic film package and method of making the same | Physics | 10 | Expired |
| US4710011A | Automatic range finding device | Physics | 10 | Expired |
| US6847783B2 | Instant camera and recording apparatus | Physics | 10 | Expired |
| US5345282A | Foldable optical apparatus | Physics | 9 | Expired |
| US4776688A | Overhead projector | Physics | 9 | Expired |
| US5136319A | Lens-fitted photographic film package | Physics | 6 | Expired |
| US6345153B1 | Distance measuring equipment and camera | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.