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Inventor

Chikai Kosaka

Inventor
Gifu, JP

Overview

3→
Patents
1994–2002
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.

B29Dprimary
B29DProducing particular articles from plastics or from substances in a plastic state29%
B24BMachines, devices, or processes for grinding or polishing14%
B29CShaping or joining of plastics14%
B29LIndexing scheme associated with subclass b29c, relating to particular articles14%
G02CSpectacles14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
6,419,859'Mold assembly for forming ophthalmic lens or lens blank and method of producing the same using the mold assembly'20025,737,057'Ocular lens fabrication method and ocular lens fabrication apparatus'19985,307,740'Marking apparatus for contact lens'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2002Patents assigned to MENICON CO LTD (3)· patent assignee history
1994–1998Based in Gifu, JP· patent location history
2002Based in Seki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MENICON CO LTD31994–2002
Locations
LocationPatentsSpan
Gifu, JP21994–1998
Seki, JP12002