Kyokado Engineering Co., Ltd.
15Patents
1Active
15Granted
32Portfolio score
Filing activity: Oct 2, 1975 → Jun 1, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5533839A | Wall surface structure of reinforced earth structure | Fixed Constructions | 64 | Expired |
| US5531547A | Reinforced earth construction | Fixed Constructions | 53 | Expired |
| US4056937A | Method of consolidating soils | Chemistry; Metallurgy | 48 | Expired |
| US4043830A | Method of consolidating poor quality soils | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4226556A | Injection process and injection apparatus for solidifying a ground | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4226557A | Injection process and injection apparatus for solidifying a ground | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4126001A | Method for constructing a soil structure | Fixed Constructions | 5 | Expired |
| US8596924B2 | Method for strengthening a ground | Chemistry; Metallurgy | 3 | Active |
| US6874976B2 | Multipoint grouting method and apparatus therefor | Fixed Constructions | 3 | Expired |
| US4851259A | Ground impregnating process | Chemistry; Metallurgy | 2 | Expired |
| US5549419A | Grouting liquid for injection into a ground | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6322294A | Method and device for ejecting a ground improving grout into a ground | Fixed Constructions | 1 | Expired |
| US6302624A | Method for ejecting ground improving grout into ground | Fixed Constructions | 1 | Expired |
| US5468292A | Grouting liquid for injection into a ground | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4842780A | System for preparing ground-impregnating material | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.