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Inventor

Noboru Akazawa

Inventor
Sagamihara, JP

Overview

3→
Patents
1984–1997
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.

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels50%
G02BOptical elements, systems or apparatus25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,638,479'Optical part'19975,139,557'Method of performing an ion exchange of optical glass'19924,472,030'Cesium-containing optical glass'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1997Patents assigned to NIPPON SHEET GLASS CO LTD (3)· patent assignee history
1984–1997Based in Sagamihara, JP· patent location history
1992Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON SHEET GLASS CO LTD31984–1997
Locations
LocationPatentsSpan
Sagamihara, JP21984–1997
Kanagawa, JP11992