RN

Ryozo Nakai

KA Kao: 6 patents #545 of 3,221Top 20%
Overall (All Time): #884,097 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6287255 Apparatus for measuring transpiration amount Koji Endo, Yasushi Shioya, Masato Hoshi 2001-09-11
5700449 Dentifrice composition Yasushi Katayama, Kouji Maeda, Yoshiyuki Muroi, Takao Okajima 1997-12-23
5374418 Composition for use in oral cavity Kazushi Oshino, Atsushi Yamagishi, Yasuteru Eguchi, Tetsuji Iwasaki, Yuichi Hioki 1994-12-20
5370865 Composition for use in oral cavity Atsushi Yamagishi, Kazushi Oshino, Yasuteru Eguchi, Tetsuji Iwasaki, Yuichi Hioki 1994-12-06
5244651 Method of desensitizing hypersensitive dentin Shigeto Kayane, Katsumi Kita, Yoshiaki Fujikura, Yasuteru Eguchi 1993-09-14
4510074 Wood preservative composition Shigeo Inoue, Sumio Arai 1985-04-09