Shigeki Maruyama
9Patents
5h-index
19Co-inventors
56Inventor score
Filing activity: Jul 29, 1997 → Mar 19, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6065889A | Side-knock type mechanical pencil | Performing Operations; Transporting | 29 | Expired |
| USD421772S | Mechanical pencil | General | 17 | Expired |
| US7168481B2 | Compact heat exchanger made of ceramics having corrosion resistance at high temperature | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7981168B2 | Compact heat exchanger made of ceramics having corrosion resistance at high temperature | Emerging Cross-Sectional Technologies | 9 | Active |
| US8272429B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6705789B2 | Mechanical pencil | Performing Operations; Transporting | 5 | Expired |
| US7128487B2 | Mechanical pencil | Performing Operations; Transporting | 1 | Expired |
| US8360139B2 | Ceramics heat exchanger | Emerging Cross-Sectional Technologies | 0 | Active |
| US8956482B2 | Ceramics composite member and method of producing the same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.