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Ryusuke Hirayama

Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%

Overall (All Time): #2,029,250 of 4,157,543Top 50%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9035646	Portable terminal device and position detection method used therein	—	2015-05-19
8354839	Portable terminal device and position detection method used therein	—	2013-01-15