Inventor · Tsukuba, JP

Yoshio Ohshima

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

Filing activity: Mar 20, 1989 → Mar 20, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4985149A Anaerobic digestion method Emerging Cross-Sectional Technologies 22 Expired

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