Inventor · Tokyo, JP

Ryuzoh Maruyama

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

Filing activity: Jun 2, 1998 → Jun 2, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6032334A Handle apparatus Human Necessities 10 Expired

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