Inventor

Hisashi Ikawa

Inventor

Okazaki, JP

Overview

1→

Patents

2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 1 as inventor

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

B29Cprimary

B29CShaping or joining of plastics25%

B29DProducing particular articles from plastics or from substances in a plastic state25%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering25%

G02CSpectacles25%

PatentTitleYear

10,688,739Spectacle lens manufacturing system2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to TOKAI OPTICAL CO LTD (1)· patent assignee history

2020Based in Okazaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKAI OPTICAL CO LTD	1	2020

Locations

Location	Patents	Span
Okazaki, JP	1	2020