Hideaki Muraki
25Patents
19h-index
49Co-inventors
81Inventor score
Filing activity: Apr 7, 1976 → May 25, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5272871A | Method and apparatus for reducing nitrogen oxides from internal combustion engine | Emerging Cross-Sectional Technologies | 207 | Expired |
| US5412946A | NOx decreasing apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 152 | Expired |
| US5412945A | Exhaust purification device of an internal combustion engine | Emerging Cross-Sectional Technologies | 88 | Expired |
| US5041270A | Method of purifying exhaust gases | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5441401A | Method of decreasing nitrogen oxides in combustion device which performs continuous combustion, and apparatus therefor | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4345555A | Self-heating ignition plug | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US4239656A | Catalyst for purifying exhaust gases and carrier for the catalyst | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4574264A | Thin film oxygen sensor with microheater | Physics | 36 | Expired |
| US4843056A | Exhaust gas purifying catalyst and process for producing the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5155994A | Exhaust gas purification system for an internal combustion engine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4087259A | Process for partially oxidizing hydrocarbons | Chemistry; Metallurgy | 28 | Expired |
| US4367162A | Catalyst for purifying exhaust gases and a method for producing the catalyst | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4801620A | Catalyst for hydrocarbon synthesis | Chemistry; Metallurgy | 28 | Expired |
| US4367166A | Steam reforming catalyst and a method of preparing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4299734A | Catalyst for purifying exhaust gases and method for producing same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4109461A | Method for operating internal combustion engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4316822A | Catalyst for purifying exhaust gases | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4661329A | Catalyst for oxidizing an offensively smelling substance and a method of removing an offensively smelling substance | Performing Operations; Transporting | 23 | Expired |
| US4957710A | Catalytic combustion type exhaust gas processing device and drying furnace for use in coating utilizing the same | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6010673A | Method for purifying exhaust gas | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6645439B2 | Exhaust gas clean-up catalyst | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4617794A | Exhaust gas purifying method and apparatus for internal combustion engines | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5294421A | Method for catalytically purifying exhaust gas | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5154902A | Exhaust gas purifying catalyst and exhaust gas purifying process | Performing Operations; Transporting | 3 | Expired |
| US5951956A | Catalyst for purifying exhaust gas and method for purifying exhaust gas | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.