Mitsui Coke Co., Ltd.
13Patents
0Active
13Granted
31Portfolio score
Filing activity: Oct 16, 1975 → May 1, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4309192A | Treatment of water-containing coal | Chemistry; Metallurgy | 25 | Expired |
| US4111786A | Process for liquefying coal | Chemistry; Metallurgy | 18 | Expired |
| US4029749A | Process for manufacturing needle coke | Chemistry; Metallurgy | 15 | Expired |
| US4320107A | Process for producing carbon fibers | Textiles; Paper | 9 | Expired |
| US4443328A | Method for continuous thermal cracking of heavy petroleum oil | Chemistry; Metallurgy | 9 | Expired |
| US4792389A | Process to produce light products and fuel oils for conventional use from heavy metal- and sulfur-rich crude oil residues | Chemistry; Metallurgy | 5 | Expired |
| US4354919A | Process for the liquefaction of coal | Performing Operations; Transporting | 4 | Expired |
| US4243488A | Coke compositions and process for manufacturing same | Chemistry; Metallurgy | 3 | Expired |
| US4246000A | Fuel compositions comprising coal-liquid fuel mixture | Chemistry; Metallurgy | 3 | Expired |
| US4210517A | Preparation of carbonaceous products | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4344837A | Process for the dehydration and liquefaction of water-containing coal | Chemistry; Metallurgy | 2 | Expired |
| US4202756A | Process for the production of solvent-refined coal useful as starting material for other carbonaceous products | Chemistry; Metallurgy | 2 | Expired |
| US4117098A | Process for manufacturing a carbonaceous material | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.