Yukio Toyoda
18Patents
11h-index
20Co-inventors
72Inventor score
Filing activity: Oct 20, 1980 → Dec 22, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4396929A | Gallium nitride light-emitting element and method of manufacturing the same | Electricity | 89 | Expired |
| US4476620A | Method of making a gallium nitride light-emitting diode | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4473938A | Method for making a GaN electroluminescent semiconductor device utilizing epitaxial deposition | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5141736A | Bispecific monoclonal antibody, its production and use | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4408217A | GaN Electroluminescent semiconductor device and method for making the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5316640A | Fabricating method of micro lens | Physics | 30 | Expired |
| US5217713A | Cytotoxic bispecific monoclonal antibody, its production and use | Human Necessities | 21 | Expired |
| US5372675A | Method for producing fine structure for electronic device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5126259A | Human B. Lymphoblastoid cell, hybridoma, antibody and production of antibody | Chemistry; Metallurgy | 20 | Expired |
| US4692313A | Apparatus for thermal cracking of or heating of hydrocarbons | Chemistry; Metallurgy | 18 | Expired |
| US5376225A | Method of forming fine structure on compound semiconductor with inclined ion beam etching | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4454021A | Method for thermal cracking of hydrocarbons in an apparatus of an alloy having alkali or alkaline earth metals in the alloy to minimize coke deposition | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5514619A | Method of producing a laser device | Electricity | 6 | Expired |
| US6183971A | Human betacellulin-specific antibodies and uses thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5397740A | Method of making an optical semiconductor device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5506135A | Hybrid monoclonal antibodies, their production and use | Human Necessities | 1 | Expired |
| US6251612A | Monoclonal antibody for immunoassay of detergents and their degradation products and its use | Physics | 0 | Expired |
| US7445890B1 | Ucp-2 promoter and use thereof | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.