Hirohisa Suwabe
24Patents
10h-index
32Co-inventors
75Inventor score
Filing activity: Sep 22, 1982 → Mar 18, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7578864B2 | Ceramic honeycomb filter and its production method | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6827754B2 | Ceramic honeycomb filter | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6890616B2 | Ceramic honeycomb filter and its structure | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4742209A | Glow plug for diesel engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US7727613B2 | Ceramic honeycomb structure, process for producing the same and coat material for use in the production | Emerging Cross-Sectional Technologies | 21 | Active |
| US4874923A | Glow plug for diesel engine with a U-shaped sialon ceramic heater | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7090714B2 | Ceramic honeycomb filter | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4914751A | Bipolar diesel engine glow plug having a U-shaped ceramic heater | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4914274A | Diesel engine glow plug having SiALON heater | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7107763B2 | Ceramic honeycomb filter and exhaust gas-cleaning method | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8092568B2 | Ceramic honeycomb filter and its production method | Chemistry; Metallurgy | 10 | Active |
| US7591918B2 | Ceramic honeycomb structure and its production method and coating material used therefor | Emerging Cross-Sectional Technologies | 7 | Active |
| US8663777B2 | Aluminum-titanate-based ceramic honeycomb structure, its production method, and starting material powder for producing same | Emerging Cross-Sectional Technologies | 7 | Active |
| US7740809B2 | Exhaust gas-cleaning apparatus | Emerging Cross-Sectional Technologies | 5 | Active |
| US4506308A | Magnetic head assembly | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7833606B2 | Ceramic honeycomb structure and method for producing ceramic honeycomb structure | Emerging Cross-Sectional Technologies | 4 | Active |
| US9011757B2 | Aluminum-titanate-based ceramic honeycomb structure, its production method, and starting material powder for producing same | Emerging Cross-Sectional Technologies | 4 | Active |
| US7892309B2 | Production method of honeycomb filter and honeycomb filter | Performing Operations; Transporting | 3 | Expired |
| US6705860B2 | Setter for burning | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7785385B2 | Ceramic honeycomb structure and moldable material usable for its extrusion molding | Emerging Cross-Sectional Technologies | 2 | Active |
| US9097154B2 | Production method of ceramic honeycomb filter | Emerging Cross-Sectional Technologies | 1 | Active |
| US8894916B2 | Method for producing aluminum-titanate-based ceramic honeycomb structure | Chemistry; Metallurgy | 1 | Active |
| US9023270B2 | Method for producing ceramic honeycomb structure | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9890085B2 | Ceramic honeycomb structure and its production method | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.