Fumio Sai
16Patents
9h-index
22Co-inventors
68Inventor score
Filing activity: Oct 31, 1975 → May 20, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4869843A | High-density granular detergent composition | Chemistry; Metallurgy | 43 | Expired |
| US4992198A | Detergent composition containing clathrate granules of a perfume-clathrate compound | Chemistry; Metallurgy | 28 | Expired |
| US4190551A | Granular or powdery detergent composition of high fluidity | Chemistry; Metallurgy | 22 | Expired |
| US5427711A | Synthesized inorganic ion exchange material and detergent composition containing the same | Chemistry; Metallurgy | 21 | Expired |
| US4029608A | Granular or powdery detergent composition | Chemistry; Metallurgy | 20 | Expired |
| US4208295A | Bleaching detergent composition | Chemistry; Metallurgy | 20 | Expired |
| US4028283A | Granular or powdery detergent composition | Chemistry; Metallurgy | 16 | Expired |
| US3998762A | Granular or powdery detergent composition | Chemistry; Metallurgy | 12 | Expired |
| US4999138A | High-density granular concentrated detergent composition | Chemistry; Metallurgy | 12 | Expired |
| US5411674A | Detergent composition having a sulfosuccinic amide | Chemistry; Metallurgy | 9 | Expired |
| US3960780A | Non-caking alkyl ether sulfate-containing detergent composition | Chemistry; Metallurgy | 8 | Expired |
| US4163732A | Detergent composition containing water-insoluble phosphorus-containing aluminosilicate builders | Chemistry; Metallurgy | 8 | Expired |
| US5705473A | Nonionic powdery detergent composition containing an aluminosilicate builder and a silicon-containing oil absorbing carrier | Chemistry; Metallurgy | 8 | Expired |
| US4178354A | Sequestering agent | Chemistry; Metallurgy | 5 | Expired |
| US4028280A | Non-phosphate or reduced phosphate detergent compositions containing mixtures of alkyl ether sulfates | Chemistry; Metallurgy | 4 | Expired |
| US5211882A | Detergent compositions containing an N-alkylamino sulfonic acid type surfactant and nonionic surfactant | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.