Inventor · Sayama, JP

Haruo Arima

5Patents
3h-index
12Co-inventors
43Inventor score

Filing activity: Jun 26, 1987 → Nov 21, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4809743A Fuel pipe device for motor vehicles and process for producing same Emerging Cross-Sectional Technologies 11 Expired
US5033344A Pipe cutting apparatus Emerging Cross-Sectional Technologies 6 Expired
US5060500A Apparatus for automatically forming a pointed end of raw pipe to be drawn Performing Operations; Transporting 4 Expired
US5069095A Pipe centering apparatus Emerging Cross-Sectional Technologies 1 Expired
US5069055A Automatic plug-inserting apparatus in a pipe-drawing equipment Performing Operations; Transporting 0 Expired

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