Isuke Imada
25Patents
8h-index
16Co-inventors
68Inventor score
Filing activity: Jun 28, 1974 → Aug 8, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4835707A | Automatic analysis method and apparatus for enzyme reaction | Physics | 55 | Expired |
| US4139545A | Aralkyl carboxylic acid compounds | Chemistry; Metallurgy | 25 | Expired |
| US4436753A | Method for therapy of ischemic disease | Chemistry; Metallurgy | 23 | Expired |
| US3957836A | Quinone derivatives | Chemistry; Metallurgy | 22 | Expired |
| US4271083A | 6-Hydroxy-1,4-benzoquinone compounds | Chemistry; Metallurgy | 20 | Expired |
| US4495104A | Quinone carboxylic acids and ester derivatives | Chemistry; Metallurgy | 19 | Expired |
| US4831265A | Method of producing quinone derivatives | Chemistry; Metallurgy | 13 | Expired |
| US4818441A | Quinine derivatines | Chemistry; Metallurgy | 12 | Expired |
| US4514420A | Antifibrotic agent | Human Necessities | 6 | Expired |
| US4526719A | Benzoquinone derivatives and production thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4407757A | Aralkyl carboxylic acid compounds | Chemistry; Metallurgy | 5 | Expired |
| US4070244A | Method for producing ubiquinone-10 | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4874752A | Benzoquinone derivatives and production thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4576760A | Hydroquinone sulfate derivatives and production thereof | Human Necessities | 4 | Expired |
| US4897420A | Benzoquinone derivatives, their production and use | Chemistry; Metallurgy | 3 | Expired |
| US4191778A | Aqueous immunoregulatory agent | Human Necessities | 3 | Expired |
| US4808339A | Benzoquinone derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4330554A | Spirobenzofuranone compounds | Chemistry; Metallurgy | 2 | Expired |
| US4525361A | Aralkyl carboxylic acid compounds in compositions for potentiating immuno activity | Chemistry; Metallurgy | 2 | Expired |
| US4362740A | Spiro compounds, their production and use | Chemistry; Metallurgy | 2 | Expired |
| US4284644A | Spirobenzofuranone compounds | Chemistry; Metallurgy | 2 | Expired |
| US4943645A | Benzoquinone derivatives and production thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4342779A | 7-Acetylspirobenzofuranone compound | Chemistry; Metallurgy | 2 | Expired |
| US4558068A | Spirobenzofuranones and their use in treating peptic ulcers | Human Necessities | 0 | Expired |
| US4751303A | Benzoquinone derivatives and production thereof | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.