SY

Shinji Yamakawa

Ricoh Company: 23 patents #910 of 9,818Top 10%
Bridgestone: 2 patents #1,066 of 2,860Top 40%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
JD Japan Display: 1 patents #900 of 1,204Top 75%
Overall (All Time): #144,157 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5204752 Image processing apparatus having shadow composition capability using binary data thinning and thickening circuits and preset thinning and thickening width data 1993-04-20
4942542 Image processing computer system optimized to reduce idle time of computer 1990-07-17