Hideo Yamaguchi

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%

UN Unknown: 1 patents #273 of 2,925Top 10%

Overall (2003): #63,947 of 273,478Top 25%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6666776	Tee device for sport practice	—	2003-12-23
6643229	Optical pickup apparatus of tilt control type	—	2003-11-04