Chuo Kagaku Co., Ltd.
14Patents
0Active
14Granted
33Portfolio score
Filing activity: Mar 15, 1984 → Oct 22, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4506037A | Production of resin foam by aqueous medium | Chemistry; Metallurgy | 94 | Expired |
| US5256711A | Starch-containing biodegradable plastic and method of producing same | Chemistry; Metallurgy | 77 | Expired |
| US5206087A | Biodecomposable or biodisintegrable moldable material | Emerging Cross-Sectional Technologies | 71 | Expired |
| USD308021S | Packaging container | General | 40 | Expired |
| US4805797A | Casing for packing | Performing Operations; Transporting | 35 | Expired |
| USD304910S | Packaging container | General | 22 | Expired |
| US4787552A | Case for packaging | Performing Operations; Transporting | 21 | Expired |
| USD304909S | Packaging container | General | 21 | Expired |
| USD304908S | Packaging container | General | 14 | Expired |
| USD299800S | Plate | General | 13 | Expired |
| US5226926A | Plastic and oil waste processing method | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6068466A | Twin type continuous kneading extruder | Performing Operations; Transporting | 7 | Expired |
| USD305591S | Plate | General | 6 | Expired |
| USD301294S | Plate | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.