Inventor
KUMATA MITSUO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KUMATA MITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CROWN CORK JAPAN
7 patentsUS5875942AMar 2, 1999
Hinged cap separable from bottle at the time of disposal
CROWN CORK JAPAN94 citations97
US6390341B1May 21, 2002
Container closure with outflow tube
CROWN CORK JAPAN87 citations95
US6260721B1Jul 17, 2001
Plastic cap
CROWN CORK JAPAN26 citations92
USD420916SFeb 22, 2000
Container closure
CROWN CORK JAPAN18 citations92
US6016931AJan 25, 2000
Cap separable from bottle at the time of disposal
CROWN CORK JAPAN26 citations92
US5762217AJun 9, 1998
Resin cap
CROWN CORK JAPAN35 citations92
US7607547B2Oct 27, 2009
Container cap
CROWN CORK JAPAN37 citations89
NIPPON CLOSURES CO LTD
5 patentsUS10800585B2Oct 13, 2020
Manufacturing method for metal cap
NIPPON CLOSURES CO LTD4 citations70
US9511905B2Dec 6, 2016
Synthetic resin container closure and combination of same and container
NIPPON CLOSURES CO LTD5 citations66
US10787296B2Sep 29, 2020
Easily openable container lid
NIPPON CLOSURES CO LTD1 citations60
US10065233B2Sep 4, 2018
Method for manufacturing cap
NIPPON CLOSURES CO LTD1 citations48
US11981053B2May 14, 2024
Compression molding device
NIPPON CLOSURES CO LTD0 citations44