Yoshiyuki Umemura

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

TO Toshiba: 2 patents #606 of 2,688Top 25%

📍 Tochigi, JP: #853 of 2,789 inventorsTop 35%

Overall (All Time): #1,299,871 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5014198	Image information compression apparatus	—	1991-05-07
4736448	Spatial filter	—	1988-04-05
4598368	Superposed image display device	—	1986-07-01
4590582	Image data processing apparatus for performing spatial filtering of image data	—	1986-05-20