Kiyoshi Ikawa
5Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: Feb 10, 1988 → Apr 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5370852A | Primary particles of amorphous silica composite material, secondary particles of amorphous silica composite material, shaped bodies thereof and processes for their preparation | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4824905A | Thermoplastic resin composition comprising polyamide, aromatic vinyl/unsaturated nitrile/rubbery polymer graft copolymer and aromatic vinyl/unsaturated nitrile/.alpha.-unsaturated carboxylic acid copolymer | Chemistry; Metallurgy | 6 | Expired |
| US10118982B2 | Graft copolymer and thermoplastic resin composition | General | 0 | Revoked |
| US10538611B2 | Graft copolymer and thermoplastic resin composition | Chemistry; Metallurgy | 0 | Active |
| US10508167B2 | Graft copolymer and thermoplastic resin composition | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.