Yoshiaki Fukushima
44Patents
15h-index
101Co-inventors
84Inventor score
Filing activity: Nov 6, 1981 → Mar 24, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4889885A | Composite material containing a layered silicate | Chemistry; Metallurgy | 207 | Expired |
| US4739007A | Composite material and process for manufacturing same | Chemistry; Metallurgy | 184 | Expired |
| US4472538A | Composite material composed of clay mineral and organic high polymer and method for producing the same | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6248686A | Organic/inorganic complex porous materials | Chemistry; Metallurgy | 56 | Expired |
| US5888430A | Graphite composite and method for producing the same | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6194650A | Coated object and process for producing the same | Electricity | 35 | Expired |
| US6214108A | Method of manufacturing silicon carbide single crystal and silicon carbide single crystal manufactured by the same | Chemistry; Metallurgy | 34 | Expired |
| US5393329A | Fuel-sorbing device using layered porous silica | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5527871A | Layered inorganic-organic polymer shaped article thereof and process for producing the same | Chemistry; Metallurgy | 22 | Expired |
| US5750085A | Process for manufacturing a silica porous material | Chemistry; Metallurgy | 19 | Expired |
| US5436372A | Solid state displacement elements | Electricity | 19 | Expired |
| US5599759A | Process for producing porous silicon oxide material | Performing Operations; Transporting | 18 | Expired |
| USRE37385E | Composite material and process for manufacturing same | General | 17 | Expired |
| US5382558A | Heat resistant layered porous silica and process for producing the same | Performing Operations; Transporting | 16 | Expired |
| US7488559B2 | Solid electrolyte | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5508081A | Porous material composed of layered silica and metal oxide and a process for manufacturing the same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5766508A | Liquid crystal composition | Chemistry; Metallurgy | 14 | Expired |
| US4552806A | Cellular glass coated with a heat insulator | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8034740B2 | Adsorptivity imparting agent containing porous silica | Emerging Cross-Sectional Technologies | 11 | Active |
| US4497869A | Formed product of vermiculite and method for producing the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5958577A | Transparent bulk silica porous material with uniform pore size and distribution | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6534025B1 | Porous materials and methods for forming the same | Chemistry; Metallurgy | 9 | Expired |
| US5462905A | Exhaust gas purifying catalyst | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5955049A | Mesopore material and method for producing the same | Chemistry; Metallurgy | 9 | Expired |
| US4486235A | Clay mineral sheet | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.