Inventor · Chiyoda, JP

Shuichi Ajiro

3Patents
3h-index
6Co-inventors
39Inventor score

Filing activity: Oct 27, 1981 → Jun 7, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4448269A Cutter head for pit-boring machine Fixed Constructions 115 Expired
US4595065A Shaft drilling rig Fixed Constructions 13 Expired
US5263899A Cylindrical telescopic kelly-bar apparatus Mechanical Engineering; Lighting; Heating 3 Expired

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