Yasuji Yamada
19Patents
6h-index
54Co-inventors
65Inventor score
Filing activity: Sep 23, 1983 → May 15, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5817172A | Preparation of oxide crystals | Chemistry; Metallurgy | 95 | Expired |
| US5736501A | Method for producing nonionic detergent granules | Chemistry; Metallurgy | 18 | Expired |
| US5795856A | Method for producing detergent particles having high bulk density | Chemistry; Metallurgy | 10 | Expired |
| US5974336A | Oxide superconductor and method of manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5945395A | Method for producing nonionic detergent granules | Chemistry; Metallurgy | 6 | Expired |
| US5998050A | Composite metal oxide material | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4560703A | Clavulone derivatives, process for preparing the same, and use of said compounds | Chemistry; Metallurgy | 6 | Expired |
| US5407907A | Method of preparing metal oxide crystal | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5512541A | Method of producing an oxide superconductor single crystal film | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5536704A | Composite material and method of preparing same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5627142A | Method of producing composite metal oxide material | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5122521A | Sterol compound | Chemistry; Metallurgy | 2 | Expired |
| US5602081A | Method of preparing metal oxide crystal | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5632811A | Method of retaining melt of oxide | Chemistry; Metallurgy | 2 | Expired |
| US7160820B2 | Method of preparing oxide crystal film/substrate composite and solution for use therein | Chemistry; Metallurgy | 1 | Expired |
| US5962374A | Preparation of oxide crystals | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4506085A | .beta.-Aminoacid derivatives and process for production thereof | Chemistry; Metallurgy | 1 | Expired |
| US5872079A | Superconductor and precursor therefor, their preparation and use of superconductor | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5712263A | Steroid derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.