Fumihiko Yokogawa

Pioneer Electronic: 49 patents #8 of 1,840Top 1%

HI Hitachi: 4 patents #8,942 of 28,497Top 35%

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%

Pioneer: 2 patents #761 of 1,730Top 45%

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%

Overall (All Time): #53,065 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4473852	Noise reduction system	Yasuo Kominami, Kazuo Watanabe, Nobuhiro Suzuki	1984-09-25