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Inventor

Kazuyuki Ohyama

Inventor
Tokyo, JP

Overview

2→
Patents
1988–2001
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

C23Cprimary
C23CCoating metallic material20%
H05KPrinted circuits20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
Y02PClimate change mitigation technologies in the production or processing of goods20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
6,284,984'Printed circuit board, for mounting BGA elements and a manufacturing method of a printed circuit board for mounting BGA elements'20014,749,418'Chromate coating of zinc surfaces'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to NIHON PARKERIZING (1)· patent assignee history
1988Based in Ichikawa, JP· patent location history
2001Patents assigned to NEC INFRONTIA CORP (1)· patent assignee history
2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC INFRONTIA CORP12001
NIHON PARKERIZING11988
Locations
LocationPatentsSpan
Tokyo, JP12001
Ichikawa, JP11988