Inventor · Nishitokyo, JP

Haruyoshi Terada

7Patents
5h-index
11Co-inventors
56Inventor score

Filing activity: Jan 28, 1975 → Jan 11, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4339310A Method of surface treatment of tin plated cans and tin plated steel sheets Chemistry; Metallurgy 21 Expired
US4857225A Cleaning chemical for aluminium surface Chemistry; Metallurgy 20 Expired
US4756805A Treatment of galvanized steel Chemistry; Metallurgy 7 Expired
US4306917A Conversion coating solutions for treating metallic surfaces Chemistry; Metallurgy 7 Expired
US4220486A Conversion coating solution for treating metallic surfaces Chemistry; Metallurgy 6 Expired
US4784731A Chromate treatment of a metal coated steel sheet Chemistry; Metallurgy 5 Expired
US4059452A Metal surface treatment Chemistry; Metallurgy 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.