Inventor

TAKAFUMI OHSAWA

Inventor

Overview

2→

Patents

2022

Patent span

Performing operations

Primary field (CPC B)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B32Bprimary

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form29%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers29%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

C08JWorking-up14%

C08LCompositions of macromolecular compounds14%

PatentTitleYear

11,292,908Easy-to-tear, unstretched resin film and laminate film for packaging material using the same2022 11,214,041Oxygen-absorbing packaging material2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to TOYO SEIKAN GROUP HOLDINGS LTD (2)· patent assignee history

2022Patents assigned to TOYO SEIKAN KAISHA LTD (1)· patent assignee history

2022Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYO SEIKAN GROUP HOLDINGS LTD	2	2022
TOYO SEIKAN KAISHA LTD	1	2022

Locations

Location	Patents	Span
JP	2	2022