Inventor · Hitachi, JP

Sadayoshi Iijima

2Patents
2h-index
5Co-inventors
30Inventor score

Filing activity: Feb 24, 1989 → Nov 9, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US5023136A Treated inorganic building materials Emerging Cross-Sectional Technologies 3 Expired
US5372855A Treatment of inorganic building materials Emerging Cross-Sectional Technologies 2 Expired

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