Kiyoshi Koibuchi
6Patents
3h-index
19Co-inventors
54Inventor score
Filing activity: Jul 24, 1987 → Oct 26, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5366549A | Method for fabricating fiber-reinforced slag gypsum cement-based, lightweight set articles | Chemistry; Metallurgy | 28 | Expired |
| US8133317B2 | Cement additive and cement composition | Emerging Cross-Sectional Technologies | 5 | Active |
| US4981519A | Hydraulic hardening material and method of manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8647015B2 | Artificial multi-barrier for a radioactive waste treatment facility | Emerging Cross-Sectional Technologies | 1 | Active |
| US9446380B2 | Water-blocking filler and filler for engineered multi-barriers using said water-blocking filler | Emerging Cross-Sectional Technologies | 0 | Active |
| US10130966B2 | Masking material, method for producing masking material, and masking method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.