Inventor

Kiyokazu Ishiwatari

Inventor

Kanagawa, JP

Overview

3→

Patents

1990–2010

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

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

B29Cprimary

B29CShaping or joining of plastics23%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts23%

B29LIndexing scheme associated with subclass b29c, relating to particular articles15%

A47GHousehold or table equipment8%

A61JContainers specially adapted for medical or pharmaceutical purposes8%

A61MDevices for introducing media into, or onto, the body8%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

7,776,414'Infusion container with multiple chambers'2010 6,685,103'Straw tube, and apparatus and method for producing the same'2004 4,965,035'Method of preforming a cover member of a can-shaped container'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to SHOWA DENKO KK (1)· patent assignee history

1990–2004Based in Kanagawa, JP· patent location history

2004Patents assigned to SHOWA DENKO PLASTIC PROD CO (1)· patent assignee history

2010Patents assigned to HOSOKAWA YOKO KK (1)· patent assignee history

2010Based in Miura-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOSOKAWA YOKO KK	1	2010
SHOWA DENKO KK	1	1990
SHOWA DENKO PLASTIC PROD CO	1	2004

Locations

Location	Patents	Span
Kanagawa, JP	2	1990–2004
Miura-gun, JP	1	2010