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Inventor

Howard M. Clearfield

Inventor
Yorktown Heights, NY, US

Overview

2→
Patents
1995–1996
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

C23Cprimary
C23CCoating metallic material20%
G02BOptical elements, systems or apparatus20%
G11BInformation storage based on relative movement between record carrier and transducer20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,569,501'Diamond-like carbon films from a hydrocarbon helium plasma'19965,470,661'Diamond-like carbon films from a hydrocarbon helium plasma'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to IBM (2)· patent assignee history
1995–1996Based in Yorktown Heights, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM21995–1996
Locations
LocationPatentsSpan
Yorktown Heights, New York, US21995–1996