Inventor
Kazuhiro Umenaka
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Dprimary
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers52%
LOC0919%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
B29CShaping or joining of plastics5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
B31BMaking containers of paper, cardboard or material worked in a manner analogous to paper5%
PatentTitleYear
10,968,020Self-standing bag and method for manufacturing the same2021D0842698Container cap for package20199,981,793Gusset bag with spout20189,938,064Check valve, check valve assembly and vessel equipped with check valve20189,630,759'Gusset bag, spout-attached gusset bag, and method of manufacturing the same'20178,956,046'Bag with port member and connection structure thereof'20158,834,024'Self-standing bag, production method thereof, and self-standing bag having content therein'20148,757,410'Sealing mechanism for a cylindrical container opening using a cap having a cap body and an upper lid'20148,641,279'Packaging bag with fastener'20148,561,843'Spout and container with spout'2013D0676763'Pouch'2013D0660720'Pouch'2012D0658075'Pouch'20127,753,233'Spout unit and bag using the same'20107,735,666'Open/close cap and manufacturing method thereof'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2021Patents assigned to HOSOKAWA YOKO KK (15)· patent assignee history
2010–2019Based in Tokyo, JP· patent location history
2012–2017Patents assigned to UMENAKA KAZUHIRO (9)· patent assignee history
2013–2021Based in Fujimino, JP· patent location history
2014Patents assigned to HARA TSUTOMU (1)· patent assignee history
2014Patents assigned to ICHIKAWA TORU (1)· patent assignee history
2015Patents assigned to HASHIMOTO NAOMI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOSOKAWA YOKO KK | 15 | 2010–2021 |
| UMENAKA KAZUHIROself | 9 | 2012–2017 |
| HARA TSUTOMU | 1 | 2014 |
| HASHIMOTO NAOMI | 1 | 2015 |
| ICHIKAWA TORU | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2010–2019 |
| Fujimino, JP | 5 | 2013–2021 |