Inventor · disambiguated record
Kazuhiro Umenaka
Also filed as: UMENAKA KAZUHIRO
22 granted patents·11 pending applications·135 citations·filing 2004–2025
94Inventor score
Top patents by PatentIndex Score
33 records- 0188US7753233B2Spout unit and bag using the sameHOSOKAWA YOKO KK·Filed 2007·Granted Jul 13, 2010·19 cites·6 claims
- 0286USD676763SPouchHOSOKAWA YOKO KK·Filed 2012·Granted Feb 26, 2013·38 cites·1 claims
- 0385US8641279B2Packaging bag with fastenerICHIKAWA TORU·Filed 2007·Granted Feb 4, 2014·15 cites·6 claims
- 0481US7735666B2Open/close cap and manufacturing method thereofHOSOKAWA YOKO KK·Filed 2005·Granted Jun 15, 2010·12 cites·14 claims
- 0580US12103737B2Rectangular-bottomed packaging bag, and method for manufacturing rectangular-bottomed packaging bagHOSOKAWA YOKO KK·Filed 2021·Granted Oct 1, 2024·1 cites·8 claims
- 0679US8834024B2Self-standing bag, production method thereof, and self-standing bag having content thereinUMENAKA KAZUHIRO·Filed 2011·Granted Sep 16, 2014·6 cites·8 claims
- 0773US2025187288A1Method for manufacturing rectangular-bottomed packaging bag, device for manufacturing rectangular-bottomed packaging bag, method for manufacturing packaging body, and device for manufacturing packaging bodyHOSOKAWA YOKO KK·Filed 2025·Application pending·0 cites
- 0867US9981793B2Gusset bag with spoutHOSOKAWA YOKO KK·Filed 2013·Granted May 29, 2018·2 cites·2 claims
- 0966USD842698SContainer cap for packageLOTTE CO LTD·Filed 2016·Granted Mar 12, 2019·13 cites·1 claims
- 1064US9938064B2Check valve, check valve assembly and vessel equipped with check valveHOSOKAWA YOKO KK·Filed 2014·Granted Apr 10, 2018·1 cites·7 claims
- 1163US8757410B2Sealing mechanism for a cylindrical container opening using a cap having a cap body and an upper lidTAKASHIMA HIROAKI·Filed 2006·Granted Jun 24, 2014·1 cites·4 claims
- 1262USD658075SPouchUMENAKA KAZUHIRO·Filed 2011·Granted Apr 24, 2012·12 cites·1 claims
- 1361US9630759B2Gusset bag, spout-attached gusset bag, and method of manufacturing the sameKUGE RAIZO·Filed 2010·Granted Apr 25, 2017·1 cites·7 claims
- 1461US2010290720A1BagHOSOKAWA YOKO KK·Filed 2009·Application pending·0 cites
- 1561US2023113515A1Method for manufacturing rectangular-bottomed packaging bag, device for manufacturing rectangular-bottomed packaging bag, method for manufacturing packaging body, and device for manufacturing packaging bodyHOSOKAWA YOKO KK·Filed 2021·Application pending·0 cites
- 1660USD660720SPouchUMENAKA KAZUHIRO·Filed 2011·Granted May 29, 2012·11 cites·1 claims
- 1753US8956046B2Bag with port member and connection structure thereofUMENAKA KAZUHIRO·Filed 2011·Granted Feb 17, 2015·2 cites·8 claims
- 1852USD960714SPouchHOSOKAWA YOKO KK·Filed 2020·Granted Aug 16, 2022·1 cites·1 claims
- 1952US11254475B2Structure of mouth plug portion, and packageHOSOKAWA YOKO KK·Filed 2019·Granted Feb 22, 2022·0 cites·10 claims
- 2052US2024336418A1Spout, spout and cap assembly, and spouted pouchHOSOKAWA YOKO KK·Filed 2022·Application pending·0 cites
- 2152US2011253713A1Plastic container and method of manufacturing the sameHOSOKAWA YOKO KK·Filed 2009·Application pending·0 cites
- 2251US10968020B2Self-standing bag and method for manufacturing the sameHOSOKAWA YOKO KK·Filed 2017·Granted Apr 6, 2021·0 cites·2 claims
- 2351US2008044115A1Packaging Bag With Fastener And Method Of Producing The SameHOSOKAWA YOKO KK·Filed 2005·Application pending·0 cites
- 2451US2005061818A1Liquid container and double containerHOSOKAWA YOKO KK·Filed 2004·Application pending·0 cites
- 2549US11655089B2Spout-equipped packaging bag and manufacturing method therefor, and spout-equipped packaging bag that contains contentsHOSOKAWA YOKO KK·Filed 2018·Granted May 23, 2023·0 cites·11 claims
- 2649US2021339914A1Square-bottomed packaging bag, packaging body, and method of manufacturing square-bottomed packaging bagHOSOKAWA YOKO KK·Filed 2019·Application pending·0 cites
- 2748US2014185966A1Gusset Bag, Spout-Attached Gusset Bag, And Method Of Manufacturing The SameHOSOKAWA YOKO KK·Filed 2012·Application pending·0 cites
- 2847US8561843B2Spout and container with spoutUMENAKA KAZUHIRO·Filed 2010·Granted Oct 22, 2013·0 cites·1 claims
- 2946US2017101243A1Gusset bag and spout-attached gusset bagHOSOKAWA YOKO KK·Filed 2016·Application pending·0 cites
- 3043US11731387B2Bag making machine and bag making methodHOSOKAWA YOKO KK·Filed 2020·Granted Aug 22, 2023·0 cites·5 claims
- 3142USD960716SPouchHOSOKAWA YOKO KK·Filed 2020·Granted Aug 16, 2022·0 cites·1 claims
- 3238USD1092234SPouch for packagingHOSOKAWA YOKO KK·Filed 2023·Granted Sep 9, 2025·0 cites·1 claims
- 3333US2017008675A1Gusset bag, method for manufacturing gusset bag, and method for joining laminated membersHOSOKAWA YOKO KK·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kazuhiro Umenaka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →