Takao Ikariya
25Patents
7h-index
48Co-inventors
69Inventor score
Filing activity: Jan 6, 1986 → Jun 26, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6184381A | Process for preparing optically active compounds | Chemistry; Metallurgy | 54 | Expired |
| US4691037A | Ruthenium-phosphine complex | Performing Operations; Transporting | 53 | Expired |
| US5055282A | Method of decomposing ammonia using a ruthenium catalyst | Performing Operations; Transporting | 36 | Expired |
| US5763688A | Method for producing an alcohol | Chemistry; Metallurgy | 24 | Expired |
| US6887820B1 | Method for producing optically active compounds | Chemistry; Metallurgy | 21 | Expired |
| US5763662A | Method for producing formic acid of its derivatives | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5639910A | Method for producing formic acid or its derivatives | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5824830A | Ruthenium-phosphine complex | Performing Operations; Transporting | 5 | Expired |
| US6686505B2 | Process for producing optically active amino alcohols and intermediates therefore | Chemistry; Metallurgy | 4 | Expired |
| US6323353A | Complexes of transition metals with novel axial asymmetric compounds as the ligands | Chemistry; Metallurgy | 4 | Expired |
| US4678856A | Method of manufacturing aromatic urethane and intermediate product thereof | Chemistry; Metallurgy | 3 | Expired |
| US5856590A | Process for producing cis-4-t-butylcyclohexanol | Chemistry; Metallurgy | 3 | Expired |
| US5869739A | Method for producing formic acid or its derivatives | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8344187B2 | Practical method for reducing esters or lactones | Chemistry; Metallurgy | 2 | Active |
| US6888012B2 | Process for producing optically active halohydrin compound | Chemistry; Metallurgy | 1 | Expired |
| US6790973B2 | Ruthenium complexes and process for preparing alcoholic compounds using these | Chemistry; Metallurgy | 1 | Expired |
| US4699994A | Method of manufacturing diphenylmethane dicarbamic acid diesters | Chemistry; Metallurgy | 1 | Expired |
| US7332622B2 | Process for preparing optically active nitro compounds and cyano compounds | Performing Operations; Transporting | 0 | Expired |
| US6476278B1 | Processes for the preparation of alcohols | Chemistry; Metallurgy | 0 | Expired |
| US7268250B2 | Process for producing optically active compound | Chemistry; Metallurgy | 0 | Expired |
| US5750804A | Process for producing trans-3-isocamphylcyclohexanol | Chemistry; Metallurgy | 0 | Expired |
| US5130464A | Method of manufacturing aromatic urethanes | Chemistry; Metallurgy | 0 | Expired |
| US5306842A | Method of manufacturing aromatic urethanes | Chemistry; Metallurgy | 0 | Expired |
| USRE34137E | Method of manufacturing aromatic urethane and intermediate product thereof | General | 0 | Expired |
| US5002921A | Catalyzer for decomposing ammonia | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.