Inventor
SEKI IKUO
4 patents
⚠️ This page may combine multiple inventors who share the name “SEKI IKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN PRINTING CO LTD
3 patentsUS3972066AJul 27, 1976
Method for image regulation of color monitors in proof-viewing and an apparatus therefor
TOPPAN PRINTING CO LTD35 citations91
US4250522AFeb 10, 1981
Color facsimile previewer
TOPPAN PRINTING CO LTD18 citations72
US4123171AOct 31, 1978
Density measuring device
TOPPAN PRINTING CO LTD3 citations59