Inventor · Sumoto, JP

Yoshihiro Tobita

2Patents
2h-index
9Co-inventors
37Inventor score

Filing activity: Nov 25, 1987 → Dec 19, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US4783383A Sealed type battery provided with safety valve means and method of manufacturing same Emerging Cross-Sectional Technologies 18 Expired
US7140380B2 Cell safety valve and cell having same Emerging Cross-Sectional Technologies 10 Expired

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