Katsuyoshi Yamamoto

Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%

FL Fujitsu Semiconductor Limited: 6 patents #92 of 1,301Top 8%

IBM: 5 patents #18,733 of 70,183Top 30%

FL Fujitsu Microelectronics Limited: 3 patents #51 of 624Top 9%

SO Socionext: 2 patents #127 of 541Top 25%

Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%

Overall (All Time): #154,719 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4520505	Character reading device	Haruo Mizukami, Hajime Nambu	1985-05-28