Hirohisa Katoh
8Patents
5h-index
14Co-inventors
52Inventor score
Filing activity: Apr 10, 1997 → Sep 26, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6361890B1 | Fuel cell system having scroll type compressor and regenerator | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6312843A | Fuel cell apparatus | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6124052A | Solid polymer electrolyte fuel cell system | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6428915B1 | Apparatus for regulating humidity of process air in fuel cell system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6350536B1 | Method for preventing compressor from freezing in automobile fuel cell system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6503069B2 | Scroll-type compressor with an integrated motor and a compact cooling system | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5908757A | Antibody reagent for detecting dissecting aortic aneurysm and uses thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6270744A | Diagnostic agent for angiopathic diseases | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.