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Inventor

Hiroya Nagata

Inventor
Atsugi, JP

Overview

7→
Patents
1989–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification21%
C03BManufacture, shaping, or supplementary processes17%
C03CChemical composition of glasses, glazes or vitreous enamels17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C04BLime, magnesia8%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
G21BFusion reactors4%
H01GCapacitors4%
H10DInorganic electric semiconductor devices4%
H10NElectric solid-state devices not otherwise provided for4%
PatentTitleYear
6,405,563'Opaque silica glass article having transparent portion and process for producing same'20026,312,775'Opaque silica glass article having transparent portion and process for producing same'20015,972,488'Opaque quartz glass and process for production thereof'19995,585,173'High-purity, opaque quartz glass, method for producing same and use thereof'19965,088,003'Laminated silicon oxide film capacitors and method for their production'19924,933,155'Method of producing powder of lithium zirconate'19904,862,029'Actuator'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2002Patents assigned to TOSOH CORP (6)· patent assignee history
1989–1999Based in Kanagawa, JP· patent location history
1990–1992Based in Yokohama, JP· patent location history
1996–2001Patents assigned to NIPPON SILICA GLASS (2)· patent assignee history
1996Based in Tsuchiura, JP· patent location history
2001–2002Patents assigned to TOSOH QUARTZ CORP (2)· patent assignee history
2001–2002Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSOH CORP61989–2002
NIPPON SILICA GLASS21996–2001
TOSOH QUARTZ CORP22001–2002
Locations
LocationPatentsSpan
Atsugi, JP22001–2002
Kanagawa, JP21989–1999
Yokohama, JP21990–1992
Tsuchiura, JP11996