Ichiro Chibata
27Patents
10h-index
37Co-inventors
71Inventor score
Filing activity: Jul 31, 1973 → Mar 2, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4138292A | Immobilized catalytically active substance and method of preparing the same | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4090919A | Water-insoluble tannin preparation for immobilization of proteins | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4381239A | Method for reducing the pyrogen content of or removing pyrogens from substances contaminated therewith | Chemistry; Metallurgy | 35 | Expired |
| US4350765A | Method for producing ethanol with immobilized microorganism | Emerging Cross-Sectional Technologies | 25 | Expired |
| US3963613A | Blood purification means | Human Necessities | 17 | Expired |
| US4401820A | Process for racemizing optically active .alpha.-amino acids or a salt thereof | Chemistry; Metallurgy | 16 | Expired |
| US4463094A | Fermentation production of L-threonine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US3971822A | Aspartyl amide sweetening agents | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3935072A | Purification of coenzyme A | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4420432A | Crystalline salt of basic L-amino acid with L-malic acid and process for the preparation thereof | Chemistry; Metallurgy | 10 | Expired |
| US4415504A | p-Hydroxyphenylglycine..alpha.-phenylethanesulfonate, process for production thereof and utilization thereof in resolution of p-hydroxyphenylglycine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4526867A | Process for preparing immobilized microorganism | Chemistry; Metallurgy | 6 | Expired |
| US4519955A | Method for optical resolution of DL-.alpha.-amino acid or (.+-.)-.alpha.-phenylethanesulfonic acid | Chemistry; Metallurgy | 5 | Expired |
| US4032641A | Nicotinoyl carnitine derivatives | Chemistry; Metallurgy | 5 | Expired |
| US4081327A | Preparation of d-fructose | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4433054A | Enzymatic active substance immobilized in a polysaccharide gel matrix | Chemistry; Metallurgy | 4 | Expired |
| US4224411A | Immobilized aminoacylase | Chemistry; Metallurgy | 4 | Expired |
| US4390626A | Immobilized aminoacylase | Chemistry; Metallurgy | 3 | Expired |
| US4309362A | Process for the optical resolution of DL-p-hydroxy-phenylglycine | Chemistry; Metallurgy | 3 | Expired |
| US3953291A | Process for preparing 6-aminopenicillanic acid | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4072691A | Process for the resolution of DL-6-chlorotryptophan | Chemistry; Metallurgy | 3 | Expired |
| US4434107A | Process for preparing an optically active p-hydroxyphenylglycine or a salt thereof | Chemistry; Metallurgy | 2 | Expired |
| US4455372A | Method for fermentative production of L-proline | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4486532A | Process for preparing L-malic acid | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4160697A | Method for purification of crude urokinase | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.