Katsuyuki Takeuchi
34Patents
12h-index
25Co-inventors
81Inventor score
Filing activity: Aug 28, 1989 → Oct 24, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6051171A | Method for controlling firing shrinkage of ceramic green body | Electricity | 89 | Expired |
| US5753160A | Method for controlling firing shrinkage of ceramic green body | Chemistry; Metallurgy | 81 | Expired |
| US5376856A | Piezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windows | Electricity | 54 | Expired |
| US5938161A | Projection installing device | Physics | 33 | Expired |
| US5545461A | Ceramic diaphragm structure having convex diaphragm portion and method of producing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6336724B1 | Projector device capable of obtaining a high luminance without increasing output of light source | Electricity | 27 | Expired |
| US5517076A | Zirconia diaphragm structure and piezoelectric/electrostrictive element incorporating same | Chemistry; Metallurgy | 24 | Expired |
| US5997671A | Method for producing ceramic diaphragm structure | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4945972A | Containable door of folding type | Fixed Constructions | 22 | Expired |
| US6491398B2 | Video projector | Electricity | 22 | Expired |
| US6045642A | Method for producing ceramic diaphragm structure | Electricity | 16 | Expired |
| US5634999A | Method of producing ceramic diaphragm structure having convex diaphragm portion | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5733670A | Zirconia diaphragm structure, method of producing the same, and piezoelectric/electrostrictive film element having the zirconia diaphragm structure | Chemistry; Metallurgy | 9 | Expired |
| US7384152B2 | Liquid-cooled projector | Electricity | 9 | Expired |
| US6004644A | Zirconia diaphragm structure and piezoelectric/electrostrictive film element having the zirconia diaphragm structure | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD436980S | Projector | General | 7 | Expired |
| US6395117B1 | Method for producing ceramic green sheet | Electricity | 5 | Expired |
| USD390838S | Presentation viewer | General | 5 | Expired |
| US6348115B1 | Method for producing a ceramic diaphragm structure | Chemistry; Metallurgy | 5 | Expired |
| US5798168A | Method of producing ceramic diaphragm structure having convex diaphragm portion and diaphragm structure produced by the same method | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD390247S | Projector | General | 4 | Expired |
| US7655180B2 | Method for controlling shrinkage of formed ceramic body | Chemistry; Metallurgy | 3 | Active |
| US6552474B2 | Ceramic diaphragm structure and method for producing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6168680A | Method of producing a zirconia diaphragm structure | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7540617B2 | Illumination optical apparatus and projection type display apparatus | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.