Naohito Yamada
47Patents
10h-index
40Co-inventors
75Inventor score
Filing activity: Dec 22, 1988 → Jun 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6471779B1 | Gas feed ceramic structure for semiconductor-producing apparatus | Electricity | 500 | Expired |
| US6134096A | Electrostatic chuck | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5946183A | Electrostatic chuck | Emerging Cross-Sectional Technologies | 27 | Expired |
| US9293791B2 | Zinc secondary battery | Emerging Cross-Sectional Technologies | 17 | Active |
| US6432208B1 | Plasma processing apparatus | Electricity | 16 | Expired |
| US10290847B2 | Separator structure body for use in zinc secondary battery | Emerging Cross-Sectional Technologies | 16 | Active |
| US6292346A | Equipment for holding a semiconductor wafer, a method for manufacturing the same, and a method for using the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7042697B2 | Electrostatic chucks and electrostatically attracting structures | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6174583A | Aluminum nitride sintered body, metal including member, electrostatic chuck, method of producing aluminum nitride sintered body, and method of producing metal including member | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7122490B2 | Aluminum nitride materials and members for use in the production of semiconductors | Chemistry; Metallurgy | 11 | Expired |
| US5998320A | Aluminum nitride sintered body, metal including member, electrostatic chuck, method of producing aluminum nitride sintered body, and method of producing metal including member | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6166432A | Substrate for use in wafer attracting apparatus and manufacturing method thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US10686177B2 | Electrode cartridge and zinc secondary cell using same | Emerging Cross-Sectional Technologies | 6 | Active |
| US7288496B2 | Aluminum nitride sintered body and method of evaluation for the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4959258A | Joined metal-ceramic assembly method of preparing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9793529B2 | Layered-double-hydroxide-oriented film and method for producing same | Emerging Cross-Sectional Technologies | 5 | Active |
| US9070953B2 | Zinc-air secondary battery having inorganic solid electrolyte body | Emerging Cross-Sectional Technologies | 4 | Active |
| US10892530B2 | Air electrode for metal-air battery | Emerging Cross-Sectional Technologies | 3 | Active |
| US7422992B2 | Aluminum nitride sintered body, semiconductor manufacturing member, and method of manufacturing aluminum nitride sintered body | Chemistry; Metallurgy | 3 | Active |
| US9391349B2 | Lithium air secondary battery | Emerging Cross-Sectional Technologies | 3 | Active |
| US10020480B2 | Layered-double-hydroxide-containing composite material and method for producing same | Emerging Cross-Sectional Technologies | 3 | Active |
| US10446821B2 | Secondary battery using hydroxide ion-conductive ceramic separator | Emerging Cross-Sectional Technologies | 3 | Active |
| US7250215B2 | Aluminum nitride sintered body containing carbon fibers and method of manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10128542B2 | Nickel-zinc battery | Emerging Cross-Sectional Technologies | 2 | Active |
| US10276896B2 | Nickel-zinc battery | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.