Naoki Yoshioka
22Patents
8h-index
39Co-inventors
75Inventor score
Filing activity: Dec 11, 1981 → Feb 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6074487A | Unit for vaporizing liquid materials | Chemistry; Metallurgy | 32 | Expired |
| US4586943A | Method for the production of glass preform for optical fibers | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4675040A | Method for producing glass preform for single mode optical fiber | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4421540A | System for producing an optical fiber preform with gas volume control | Chemistry; Metallurgy | 15 | Expired |
| US4915717A | Method of fabricating optical fiber preforms | Chemistry; Metallurgy | 14 | Expired |
| US4419116A | Process for producing optical fiber preform and apparatus therefor | Chemistry; Metallurgy | 14 | Expired |
| US4812155A | Method for production of glass preform for optical fibers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7422198B2 | Liquid substance supply device for vaporizing system, vaporizer, vaporization performance appraisal method | Emerging Cross-Sectional Technologies | 10 | Active |
| US7163197B2 | Liquid substance supply device for vaporizing system, vaporizer, and vaporization performance appraisal method | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6708543B2 | Sheet-metal formed with spaced projections and manufacturing method of the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4880452A | Method for producing glass preform for optical fiber containing fluorine in cladding | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6938449B2 | Hydraulic forming process, hydraulic forming device and metal separator for a fuel cell formed by hydraulic forming process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4797143A | Process for the production of optical fiber preforms | Chemistry; Metallurgy | 5 | Expired |
| US8236251B2 | Nanoparticle-dispersed high-performance liquid fluid, production method and apparatus for the fluid, and leak detection method for the fluid | Emerging Cross-Sectional Technologies | 3 | Active |
| US7731162B2 | Liquid substance supply device for vaporizing system, vaporizer, vaporization performance appraisal method | Emerging Cross-Sectional Technologies | 3 | Active |
| US6860135B2 | Method for removing strain from press-formed workpiece, and forming press | Performing Operations; Transporting | 2 | Expired |
| US7637482B2 | Liquid substance supply device for vaporizing system, vaporizer, vaporization performance appraisal method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9292202B2 | Client device, operating method, and recording medium | Physics | 1 | Active |
| US7343769B2 | Corrugation forming method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8004175B2 | Light-emitting material, light-emitting body, and light-emitting method | Emerging Cross-Sectional Technologies | 1 | Active |
| US7910627B2 | Nanoparticle-dispersed high-performance liquid fluid, production method and apparatus for the fluid, and leak detection method for the fluid | Emerging Cross-Sectional Technologies | 1 | Active |
| US12364058B2 | Near-infrared light emitting semiconductor element and method for manufacturing same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.