Torii & Co., Ltd.
26Patents
0Active
26Granted
31Portfolio score
Filing activity: Jun 20, 1978 → Aug 12, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4634783A | Novel amidine compound | Chemistry; Metallurgy | 42 | Expired |
| US4454338A | Amidine compound | Chemistry; Metallurgy | 33 | Expired |
| US4514416A | Amidine compound, process for producing same and anti-complement agent comprising same | Chemistry; Metallurgy | 28 | Expired |
| US4532255A | Amidine compounds and anticomplement agent comprising same | Chemistry; Metallurgy | 26 | Expired |
| US4570006A | Amidine compound, process for producing same and anti-complement agent comprising same | Chemistry; Metallurgy | 18 | Expired |
| US4563527A | Amidine compounds | Chemistry; Metallurgy | 16 | Expired |
| US4772553A | Method for determination of enzyme activity | Physics | 10 | Expired |
| US4598077A | Amidine derivatives and cardiotonic compositions | Chemistry; Metallurgy | 9 | Expired |
| US4257940A | Valylleucyllysine derivatives, process for producing same and method for measuring activity of enzymes using same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4308202A | Prolylphenylalanylarginine derivatives, process for producing same and method for measuring activity of enzymes using same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4308201A | Phenylalanylvalylarginine derivative, process for producing same and method for measuring activity of enzymes using same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5532267A | Amidinonaphthyl furancarboxylate derivatives and acid addition salts therof | Chemistry; Metallurgy | 6 | Expired |
| US4496584A | Amidine derivatives with anti-complement activity | Human Necessities | 5 | Expired |
| US5958415A | Protein allergen of Derf II and composition | Human Necessities | 5 | Expired |
| US4214093A | Amino- or guanidino-1,2,3,4-tetrahydro-1-naphthoic esters | Human Necessities | 5 | Expired |
| US5460977A | Peptide having allergenicity | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4379764A | Phenylalanylarginine derivatives, process for producing same and method for measuring activity of enzymes using same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4490388A | Amidine compound and anticomplement agent comprising same | Chemistry; Metallurgy | 4 | Expired |
| US5798099A | DNA encoding Derf II, the major mite allergen, host cells containing such DNA and method for producing Derf II | Human Necessities | 4 | Expired |
| US5876722A | DNA encoding Derf II, the major mite allergen, host cells containing such DNA and methods for producing Derf II | Human Necessities | 4 | Expired |
| US4777182A | 6-Amidino-2-naphthyl 4-guanidinobenzoate derivatives and pharmaceutical composition containing them | Chemistry; Metallurgy | 3 | Expired |
| US4820730A | 6-amino-2-naphthyl 4-gusnichinobenzoate derivatives and pharmaceutical composition containing them | Chemistry; Metallurgy | 3 | Expired |
| US5238964A | Agent for treatment of cerebrovascular contraction | Human Necessities | 2 | Expired |
| US4182897A | Amino- or guanidino-phenylpropionic acid derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5286628A | Monoclonal antibodies to mite allergen and the use thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.