Hiromasa Tawarayama
27Patents
4h-index
30Co-inventors
63Inventor score
Filing activity: Nov 24, 1995 → May 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6995101B2 | Optical glass and optical product using the same | Chemistry; Metallurgy | 15 | Expired |
| US6786064B2 | Process for the production of glass molded article | Chemistry; Metallurgy | 7 | Expired |
| US5917108A | Drawing a chalcogenide glass fiber in a sulfur atmosphere | Chemistry; Metallurgy | 6 | Expired |
| US7451620B2 | Optical glass and optical product using the same | Chemistry; Metallurgy | 5 | Expired |
| US5764661A | Laser glasses and laser glass fibers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8336332B2 | Process for the production of glass molded article, optical element produced by the process, and method of treating glass | Chemistry; Metallurgy | 3 | Active |
| US10553880B2 | Fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US10734665B2 | Method for producing cell structure | Emerging Cross-Sectional Technologies | 1 | Active |
| US11466343B2 | Metal porous body | Chemistry; Metallurgy | 0 | Active |
| US10573904B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US11883801B2 | Steam reforming catalyst and fuel cell system using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10424801B2 | Cell structure, method for manufacturing the same, and fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US11938471B2 | Metal porous body, water vapor reformer including the same, and method for manufacturing metal porous body | Emerging Cross-Sectional Technologies | 0 | Active |
| US11888185B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10847809B2 | Solid-oxide-electrolysis-cell-type hydrogen production apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US10109866B2 | Gas decomposition device and power generation device | Emerging Cross-Sectional Technologies | 0 | Active |
| US10505196B2 | Solid oxide fuel cell and method for producing electrolyte layer-anode assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US10431840B2 | Membrane electrode assembly, method for manufacturing membrane electrode assembly, fuel cell, and method for manufacturing fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10693143B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US11757101B2 | Metal porous body and method for producing metal porous body | Emerging Cross-Sectional Technologies | 0 | Active |
| US10193161B2 | Anode for solid oxide fuel cell and production method therefor, and method for producing electrolyte layer-electrode assembly for fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US9126151B2 | Silica-based hydrogen separation material and manufacturing method therefor, as well as hydrogen separation module and hydrogen production apparatus having the same | Chemistry; Metallurgy | 0 | Active |
| US12412917B2 | Proton-conductive cell structure, proton-conductive material, electrochemical device, and method of manufacturing proton-conductive material | Emerging Cross-Sectional Technologies | 0 | Active |
| US12074349B2 | Metal porous body, method of producing the same, and fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10374243B2 | Porous current collector and fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.