Inventor

Yukihiro Shibuya

Inventor

Fukushima, JP

Overview

2→

Patents

1988–2001

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.

Y10Tprimary

Y10TTechnical subjects covered by former us classification33%

B29BPreparation or pretreatment of the material to be shaped17%

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. inserts17%

C04BLime, magnesia17%

D21HPulp compositions17%

PatentTitleYear

6,194,071'Carbon fiber ball and a process for manufacturing the same'2001 4,759,977'Flexible carbon material'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to KUREHA CHEMICAL IND CO LTD (2)· patent assignee history

1988Based in Iwaki, JP· patent location history

2001Based in Fukushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KUREHA CHEMICAL IND CO LTD	2	1988–2001

Locations

Location	Patents	Span
Fukushima, JP	1	2001
Iwaki, JP	1	1988