Hajime Yasuda
19Patents
9h-index
33Co-inventors
72Inventor score
Filing activity: Aug 9, 1976 → Dec 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4079440A | Printed circuit board capable of being inserted and withdrawn on on-line status | Electricity | 76 | Expired |
| US4095268A | System for stopping and restarting the operation of a data processor | Physics | 27 | Expired |
| US5228139A | Semiconductor integrated circuit device with test mode for testing CPU using external signal | Physics | 23 | Expired |
| US5563219A | Process for Preparing block copolymer of monoolefin | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5919867A | Block copolymer and a preparation process thereof | Chemistry; Metallurgy | 12 | Expired |
| US5218064A | Process for preparing narrow molecular weight distribution syndiotactic polymers or copolymers of unsaturated carboxylic acid esters | Chemistry; Metallurgy | 11 | Expired |
| US5581698A | Semiconductor integrated circuit device with test mode for testing CPU using external Signal | Physics | 11 | Expired |
| US5698634A | Process for preparing block copolymer of monoolefin | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5132369A | Process for preparing narrow molecular weight distribution syndiotactic block copolymers of unsaturated carboxylic acid esters with .alpha.-olefins | Chemistry; Metallurgy | 10 | Expired |
| US4344129A | Data processor system capable of providing both a computer mode and a sequencer mode of operation | Physics | 9 | Expired |
| US7505845B2 | Control of internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Active |
| US7050901B2 | Fuel property determination system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9133811B2 | Method and apparatus for controlling start-up of internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Active |
| US7418946B2 | Engine start control apparatus and method | Emerging Cross-Sectional Technologies | 4 | Active |
| US5834567A | Biodegradable copolymer, a biodegradable polymer composition, a biodegradable article, and a preparation process thereof | Chemistry; Metallurgy | 3 | Expired |
| US9708986B2 | Method and apparatus for controlling start-up of internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US8122705B2 | Exhaust cleaning apparatus and method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US6730744B1 | Method for copolymerization and resulting copolymers | Chemistry; Metallurgy | 0 | Expired |
| US6864338B2 | Sterically regulated methacrylic polymer and process for producing the same | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.