YK

Yasushi Katayama

KA Kao: 1 patents #63 of 282Top 25%
📍 Tochigi, JP: #47 of 161 inventorsTop 30%
Overall (1997): #57,690 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5700449 Dentifrice composition Kouji Maeda, Ryozo Nakai, Yoshiyuki Muroi, Takao Okajima 1997-12-23