Akio Matsuda
48Patents
10h-index
48Co-inventors
75Inventor score
Filing activity: Jun 20, 1975 → Sep 11, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4561020A | Still picture transmission apparatus | Electricity | 84 | Expired |
| US5227415A | Biodegradable plastic composition | Chemistry; Metallurgy | 20 | Expired |
| US6244983A | Silent chain with inner flank engagement links and sprocket having teeth with matching surfaces | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4467355A | Freeze-picture transmission apparatus | Electricity | 19 | Expired |
| US6171209A | Back drive type silent chain | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5574007A | Polypeptide capable of interacting with thrombin | Chemistry; Metallurgy | 14 | Expired |
| US6155944A | Silent chain link plate with convex outer flank portion | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US3996164A | Catalysts for hydroformylation and hydroesterification and method for manufacture thereof | Performing Operations; Transporting | 11 | Expired |
| US6168543A | Silent chain and sprocket having teeth with matching curved surfaces | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5135673A | Organic ferromagnetic substance | Electricity | 10 | Expired |
| US4314774A | Pneumatically inflatable flexible envelope type dam | Fixed Constructions | 9 | Expired |
| US5574099A | Rubber-reinforced styrene resin composition and process for producing the same | Chemistry; Metallurgy | 8 | Expired |
| US6155945A | Silent chain with convex outer flanks for smooth sprockets tooth engagement | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7227007B2 | NF-κB activating gene | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6154431A | Recording and reproducing apparatus | Physics | 7 | Expired |
| US4153795A | Cobalt pyridyl catalysts for hydroformylation | Performing Operations; Transporting | 6 | Expired |
| US6021108A | Optical pickup device in recording and/reproducing apparatus | Physics | 5 | Expired |
| US6417415B1 | Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6314076A | Optical pickup device in recording and/reproducing apparatus | Physics | 5 | Expired |
| US6969332B2 | Silent chain | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8939045B2 | Control pedal assembly | Emerging Cross-Sectional Technologies | 4 | Active |
| US4178868A | Method and apparatus for displacing oil and seawater in tanks of an oil tank | Performing Operations; Transporting | 4 | Expired |
| US6272092A | Recording and reproducing apparatus with lock and release mechanism | Physics | 4 | Expired |
| US5453374A | Trigonopsis transformant producing D-amino acid oxidase | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8099697B2 | Hardware logic verification support apparatus, verification support method and computer product | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.