KS

Keiji Sekigawa

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
WC Warner-Lambert Company: 1 patents #930 of 1,610Top 60%
Overall (All Time): #896,635 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4393452 Method of reproducing a picture having improved resolution 1983-07-12
4355337 Method of restoring pictures with high density 1982-10-19
4349846 Picture processing method 1982-09-14
4333957 Capsule and process for the production of a colored gelatin capsule Yakutaro Okajima 1982-06-08
4323974 Method of restoring a picture through estimation 1982-04-06
4258393 Picture processing method Kouichi Ejiri 1981-03-24