Ajinomoto Co., Inc.
1,952Patents
712Active
1,952Granted
53Portfolio score
Filing activity: Sep 9, 1970 → Feb 6, 2023 · 326 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4670417A | Hemoglobin combined with a poly(alkylene oxide) | Human Necessities | 843 | Expired |
| US4301144A | Blood substitute containing modified hemoglobin | Human Necessities | 668 | Expired |
| US4619754A | Chemically modified electrodes and their uses | Emerging Cross-Sectional Technologies | 515 | Expired |
| US5013830A | Compounds for the cleavage at a specific position of RNA, oligomers employed for the formation of said compounds, and starting materials for the synthesis of said oligomers | Chemistry; Metallurgy | 397 | Expired |
| US4595479A | Modified electrode | Physics | 374 | Expired |
| US4412989A | Oxygen carrier | Emerging Cross-Sectional Technologies | 252 | Expired |
| US3969087A | Gels of nonpolar liquids with N-acyl amino acids and derivatives thereof as gelling agents | Chemistry; Metallurgy | 148 | Expired |
| US4818291A | Silk-fibroin and human-fibrinogen adhesive composition | Chemistry; Metallurgy | 111 | Expired |
| US5156956A | Transgultaminase | Chemistry; Metallurgy | 111 | Expired |
| US6599876B2 | Medicament and method for treating renal disease | Chemistry; Metallurgy | 105 | Expired |
| US4738927A | Gene coded for interleukin-2 polypeptide, recombinant DNA carrying the said gene, a living cell line possessing the recombinant DNA, and method for producing interleukin-2 using the said cell | Emerging Cross-Sectional Technologies | 96 | Expired |
| US6040160A | Method of producing L-lysine by fermentation | Chemistry; Metallurgy | 90 | Expired |
| US4996067A | Feed additive for ruminants | Emerging Cross-Sectional Technologies | 76 | Expired |
| US6960455B2 | Methods of making amino acids using E. coli transformed with csc genes | Chemistry; Metallurgy | 76 | Expired |
| US4592858A | Smectic liquid crystal compound and liquid crystal compositions | Chemistry; Metallurgy | 73 | Expired |
| US5582818A | Ultraviolet screening powder and cosmetics | Chemistry; Metallurgy | 72 | Expired |
| US6403221B1 | Epoxy resin composition, and adhesive film and prepreg using the composition, and multilayer printed-wiring board using them, and process for manufacturing the same | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4591554A | Rapid method for detecting microorganisms | Chemistry; Metallurgy | 71 | Expired |
| US5200395A | Pharmaceutical composition of BUF-5 for treating anemia | Human Necessities | 68 | Expired |
| US4728458A | Polyphenyl-based ester compounds and liquid crystal compositions containing same | Chemistry; Metallurgy | 67 | Expired |
| US5430112A | Epoxy resin and polythiol composition | Chemistry; Metallurgy | 64 | Expired |
| US5175107A | Bacterial strain of Escherichia coli BKIIM B-3996 as the producer of L-threonine | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6706304B1 | Granular sweetener | Human Necessities | 62 | Expired |
| US5830716A | Increased amounts of substances by modifying a microorganism to increase production of NADPH from NADH | Emerging Cross-Sectional Technologies | 61 | Expired |
| US7316916B2 | DNA for encoding D-hydantoin hydrolases, DNA for encoding N-carbamyl-D-amino acid hydrolases, recombinant DNA containing the genes, cells transformed with the recombinant DNA, methods for producing proteins utilizing the transformed cells and methods for producing D-amino acids | Chemistry; Metallurgy | 60 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.