Fujio Okada
29Patents
14h-index
21Co-inventors
77Inventor score
Filing activity: May 21, 1984 → Sep 10, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5653677A | Electronic endoscope apparatus with imaging unit separable therefrom | Electricity | 1,725 | Expired |
| US5830124A | Guide structure for electronic endoscope systems | Electricity | 104 | Expired |
| US5569158A | Shielding structure of electronic endoscope apparatus | Electricity | 103 | Expired |
| US6876380B2 | Electronic endoscopic apparatus connectable with electronic endoscope having different number of pixels | Electricity | 101 | Expired |
| US6943821B2 | Electronic endoscope apparatus to which electronic endoscopes with different numbers of pixels can be connected | Electricity | 90 | Expired |
| US6995786B2 | Electronic endoscope forming still image by double-speed reading | Electricity | 64 | Expired |
| US5142354A | Signal level correction circuit for a video signal | Electricity | 43 | Expired |
| US6753905B1 | Circuit for transmitting a solid-state image pickup device signal to a signal processor | Electricity | 42 | Expired |
| US5390662A | Electronic endoscope apparatus using circuit board having cavity | Electricity | 41 | Expired |
| US5440341A | Signal processing circuit for a simultaneous electronic endoscope apparatus | Electricity | 40 | Expired |
| US6459447B1 | Video signal transmission device | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4668577A | Polyethylene filaments and their production | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4617233A | Stretched polyethylene filaments of high strength and high modulus, and their production | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4643865A | Process for the production of a drawn product of crystalline polymer having high tenacity and high modulus | Performing Operations; Transporting | 19 | Expired |
| US6618502B1 | Color image processing method and apparatus | Electricity | 14 | Expired |
| US4669841A | Rotary shutter | Physics | 14 | Expired |
| US4758905A | Image pickup apparatus with a rotary shutter | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4779953A | Optical fiber cord or cable containing a polyethylene filament tensile member | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4824619A | Process of producing polyethylene drawn filaments and drawn films | Chemistry; Metallurgy | 7 | Expired |
| US4800121A | Drawn polyethylene filament tensile member | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6476852B1 | Imaging device for endoscope equipped with both NTSC system and PAL system | Electricity | 5 | Expired |
| US6540671B1 | Electronic endoscope apparatus driving light shielding plate | Electricity | 5 | Expired |
| US6059722A | Light source device for endoscope which is capable of light setting shading period | Human Necessities | 5 | Expired |
| US5614949A | Exposure control device for electronic endoscope | Electricity | 4 | Expired |
| US4851508A | Polyester fibers having high strength and high modulus and process for producing the same | Textiles; Paper | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.