Hisashi Katoh
23Patents
10h-index
41Co-inventors
75Inventor score
Filing activity: Oct 27, 1983 → Jul 22, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4502424A | Blow-by gas recovering system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US7713217B2 | Torque imparting system | Human Necessities | 23 | Expired |
| US7559909B2 | Walking assistance device | Human Necessities | 22 | Expired |
| US5357921A | Cylinder block and a process for casting the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7416538B2 | Walking assistance device | Human Necessities | 21 | Expired |
| US7780616B2 | Walking assistance device | Human Necessities | 16 | Expired |
| US6915230B2 | Method of estimating floor reactions of bipedal walking body, and method of estimating joint moments of bipedal walking body | Human Necessities | 15 | Expired |
| US7404782B2 | Speed reducer for walk assist apparatus | Human Necessities | 15 | Expired |
| US5291862A | Cylinder sleeve assembly used in cylinder block for multi-cylinder internal combustion engine, and forming mold for use in production of sand mold for casting the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5462108A | Process for casting a cylinder block | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7481742B2 | Walking assistance device | Human Necessities | 8 | Expired |
| USD551168S1 | Capacitor module | General | 6 | Expired |
| USD553566S1 | Capacitor module | General | 5 | Expired |
| USD551622S1 | Capacitor module | General | 4 | Expired |
| US7798983B2 | Walking assistance device | Human Necessities | 4 | Expired |
| US7381093B2 | Covered snap-fit terminals for connecting storage cells together | Electricity | 4 | Expired |
| US7054763B2 | Method of estimating floor reactions of bipedal walking body, and method of estimating joint moments of bipedal walking body | Performing Operations; Transporting | 3 | Expired |
| USD547720S1 | Capacitor cell | General | 3 | Expired |
| US7662512B2 | Rectangular storage battery | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7220231B2 | Walking condition determining device and method | Human Necessities | 1 | Expired |
| US7784172B2 | Forming machine for forming meandering loop winding | Emerging Cross-Sectional Technologies | 0 | Active |
| US8789721B2 | Square can and method and apparatus for double seaming the same | Performing Operations; Transporting | 0 | Active |
| US8082659B2 | Method of forming a loop winding | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.