Patent assignee · JP · COMPANY

Agency of Industrial Science & Technology MITI

4Patents
0Active
4Granted
25Portfolio score

Filing activity: Aug 31, 1987 → Jun 18, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US6852819B2 Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same Physics 19 Expired
US6858694B2 Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same Physics 18 Expired
US4822459A Lead oxide-coated electrode for use in electrolysis and process for producing the same Emerging Cross-Sectional Technologies 5 Expired
US7732550B2 Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same Physics 4 Expired

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