Inventor

TSUTANAGA HAJIME

JP3 patents

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

UNI CHARM CORP

2 patents

US7930794B2Apr 26, 2011

Cleaning tool

UNI CHARM CORP10 citations82

US7966688B2Jun 28, 2011

Cleaning tool and cleaning element

UNI CHARM CORP2 citations60

TSUTANAGA HAJIME

1 patent

US8156603B2Apr 17, 2012

Cleaning tool

TSUTANAGA HAJIME10 citations77