Patent assignee · JP · INDIVIDUAL

Keigo Obata

1Patents
0Active
1Granted
21Portfolio score

Filing activity: Feb 21, 1986 → Feb 21, 1986

Most-cited patents

PatentTitleAreaCited byStatus
US4673470A Tin, lead, or tin-lead alloy plating bath Chemistry; Metallurgy 7 Expired

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