Inventor · Oyama, JP

Yoh Ishii

1Patents
1h-index
4Co-inventors
25Inventor score

Filing activity: Apr 25, 1988 → Apr 25, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4875519A Method of manufacturing hollow billet and apparatus therefor Performing Operations; Transporting 6 Expired

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