Inventor

KAMIYAMA RYUICHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KAMIYAMA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNI CHARM CORP

1 patent

US7547815B2Jun 16, 2009

Absorbent pad having zones with different flexibilities

UNI CHARM CORP95 citations95

KAMIYAMA RYUICHI

1 patent

US9011401B2Apr 21, 2015

Disposable diaper

KAMIYAMA RYUICHI5 citations63

NAKAJIMA KAIYO

1 patent

US9289333B2Mar 22, 2016

Disposable diaper using elastic sheets

NAKAJIMA KAIYO0 citations38