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Inventor

Tazuru Okamoto

Inventor
Kyoto, JP

Overview

3→
Patents
2013–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus27%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
B29CShaping or joining of plastics9%
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. inserts9%
B29LIndexing scheme associated with subclass b29c, relating to particular articles9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08LCompositions of macromolecular compounds9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
8,945,669'Extrusion material supply device and optical transmission body manufacturing method using the same'20158,611,714'Optical fiber and method for manufacturing same'20138,600,210'GI type optical fiber and method for manufacturing same'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2015Patents assigned to KOIKE YASUHIRO (3)· patent assignee history
2013–2015Patents assigned to OKAMOTO TAZURU (3)· patent assignee history
2013–2015Patents assigned to SEKISUI CHEMICAL CO LTD (3)· patent assignee history
2013–2015Patents assigned to UNIV KEIO (3)· patent assignee history
2013–2015Patents assigned to YOSHIDA HIROTSUGU (3)· patent assignee history
2013–2015Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOIKE YASUHIRO32013–2015
OKAMOTO TAZURUself32013–2015
SEKISUI CHEMICAL CO LTD32013–2015
UNIV KEIO32013–2015
YOSHIDA HIROTSUGU32013–2015
Locations
LocationPatentsSpan
Kyoto, JP32013–2015