Akira Masuda
8Patents
2h-index
35Co-inventors
51Inventor score
Filing activity: May 18, 1990 → Feb 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5327583A | Using a clock signal generated by a microcomputer for providing a negative bias voltage to a galium arsenide field effect transistor in a high frequency amplifier of the device | Electricity | 14 | Expired |
| US7700709B2 | Polymeric derivative of cytidine metabolic antagonist | Chemistry; Metallurgy | 13 | Active |
| US5283331A | 2-halogeno-oxetanocin A and phosphoric ester thereof | Human Necessities | 1 | Expired |
| US10357573B2 | Block copolymer conjugate of physiologically active substance | Chemistry; Metallurgy | 1 | Active |
| US5130483A | Isoprenoid derivatives and pharmaceutical preparations containing the same | Chemistry; Metallurgy | 1 | Expired |
| US5306496A | Antibiotics NK374186A, NK374186B, NK374186B3 and NK374186C3, process for producing the same, and use of the same | Chemistry; Metallurgy | 1 | Expired |
| US6187783A | Phenanthridinium derivatives | Human Necessities | 0 | Expired |
| US7598244B2 | [1,2,4]triazolo[1,5,a]pyrimidin-2-ylurea derivative and use thereof | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.