Inventor · Okayama, JP

Atsuhiko Ishida

1Patents
1h-index
3Co-inventors
25Inventor score

Filing activity: Aug 11, 1993 → Aug 11, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5405839A Vitamin B.sub.12 derivative, preparation process thereof, and use thereof Chemistry; Metallurgy 13 Expired

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