Rikio Sakamoto

NE Nec: 1 patents #469 of 1,934Top 25%

Overall (2002): #131,553 of 266,432Top 50%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6364585	Torque-controllable screw with knob	—	2002-04-02