Inventor · Saitama, JP

Sonmin Ryu

1Patents
1h-index
2Co-inventors
22Inventor score

Filing activity: Mar 29, 2002 → Mar 29, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6750185B2 Lubricating oil composition for internal combustion engines Chemistry; Metallurgy 5 Expired

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