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Inventor

Katumasa Nakahara

Inventor
Yokohama, JP

Overview

2→
Patents
1991–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 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 enamels20%
C04BLime, magnesia20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,304,518'Hybrid package, glass ceramic substrate for the hybrid package, and composition for the glass ceramic substrate'19945,057,376'Hybrid package, glass ceramic substrate for the hybrid package, and composition for the glass ceramic substrate'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1994Patents assigned to ASAHI GLASS CO LTD (2)· patent assignee history
1991–1994Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD21991–1994
Locations
LocationPatentsSpan
Yokohama, JP21991–1994