RY

Ritsuko Yamazaki

KA Kao: 4 patents #816 of 3,221Top 30%
Overall (All Time): #1,214,080 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9125811 Nanofiber laminate sheet Takehiko Tojo, Masataka Ishikawa, Yuko Yago, Motoaki Ito, Yoshimi Yamashita 2015-09-08
6294509 Disintegrating particles and cleanser or detergent composition Zenbei Meiwa, Mamoru Nakamura, Tatsuki Matsumoto, Yoshihiro Hasebe, Hideyuki Hanazawa 2001-09-25
5980924 Skin cleansing sheet Reiko Fukuda, Isao Umemoto, Manabu Kaneda, Yasuhiro Komori 1999-11-09
5756437 Aqueous gel cleanser comprising fatty acid ester of peg as nonionic surfactant Reiko Fukuda, Yasushi Kajihara 1998-05-26