Inventor · Tokyo, JP

Akifusa Hagiwara

1Patents
1h-index
5Co-inventors
25Inventor score

Filing activity: Dec 24, 1990 → Dec 24, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US5226928A Reforming apparatus for hydrocarbon Chemistry; Metallurgy 66 Expired

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