Patent assignee · JP · COMPANY

LIGNYTE CO., LTD.

12Patents
4Active
12Granted
37Portfolio score

Filing activity: Dec 9, 1987 → May 22, 2015 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5362761A Process for fabricating porous silicone product Chemistry; Metallurgy 89 Expired
US5310784A Electromagnetic wave shielding material Emerging Cross-Sectional Technologies 12 Expired
US5271846A Method for separating a liquid component from a solution containing two or more liquid components Chemistry; Metallurgy 10 Expired
US4983303A Method of separating a particular component from its liquid solution Chemistry; Metallurgy 9 Expired
US5006255A Selective permeable membrane for separation of liquid solution Chemistry; Metallurgy 6 Expired
US6287677A Carbon fiber prepeg for wood reinforcement, wooden sheet laminated therewith, wood reinforcing composite comprising carbon fibers and the wooden sheet, and carbon fiber reinforced wood Emerging Cross-Sectional Technologies 5 Expired
US8082975B2 Apparatus and method for producing casting mold Performing Operations; Transporting 1 Active
US7784524B2 Apparatus and method for producing casting mold Performing Operations; Transporting 1 Expired
US7199186B2 Carbon-phenol resin molding compound Chemistry; Metallurgy 1 Expired
US9744586B2 Binder coated refractories, casting mold using the same, and method of manufacturing casting mold using the same Chemistry; Metallurgy 0 Active
US9827609B2 Cast mold fabrication device Performing Operations; Transporting 0 Active
US10647452B2 Ablator, re-entry vehicle and method of manufacturing them Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.