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Inventor

Yoshiaki Kumazawa

Inventor
Hyogo, JP

Overview

12→
Patents
1989–2001
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 12 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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
C04BLime, magnesia11%
H01JElectric discharge tubes or discharge lamps11%
B23KSoldering or unsoldering7%
B41MPrinting, duplicating, marking, or copying processes7%
C30BSingle-crystal growth7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C22CAlloys4%
C23CCoating metallic material4%
PatentTitleYear
6,270,898'Tool tip and bonding tool comprising the tool tip and control method for the bonding tool'20016,267,637'Electron-emitting element, method of making the same, and electronic device'20016,184,611'Electron-emitting element'20016,103,401'Window for an optical use and a process for the production of the same'20006,103,389'Thermal transfer recording medium'20006,096,129'Method of and apparatus for producing single-crystalline diamond of large size'20006,007,730'Method of manufacturing diamond heat sink'19995,993,919'Method of synthesizing diamond'19995,964,976'Thermal-transfer recording medium and thermal transfer recording method'19995,079,102'Tool using gold as a binder'19924,859,531'Method for bonding a cubic boron nitride sintered compact'19894,828,611'High hardness sintered compact and process for producing the same'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2001Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (9)· patent assignee history
1989Patents assigned to SUMITMO ELECTRIC IND LTD (1)· patent assignee history
1989–2001Based in Hyogo, JP· patent location history
1989–2001Based in Itami, JP· patent location history
1999–2000Patents assigned to PILOT KK (2)· patent assignee history
1999–2000Based in Hadano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES91989–2001
PILOT KK21999–2000
SUMITMO ELECTRIC IND LTD11989
Locations
LocationPatentsSpan
Hyogo, JP71989–2001
Itami, JP31989–2001
Hadano, JP21999–2000