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Inventor

Mark Spiridonovich Ramm

Inventor
St. Petersburg, RU

Overview

10→
Patents
2001–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 10 as inventor

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

C30Bprimary
C30BSingle-crystal growth37%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests26%
Y10TTechnical subjects covered by former us classification26%
C01BNon-metallic elements11%
PatentTitleYear
10,793,972High quality silicon carbide crystals and method of making the same20206,863,728'Apparatus for growing low defect density silicon carbide'20056,562,131'Method for growing single crystal silicon carbide'20036,562,130'Low defect axially grown single crystal silicon carbide'20036,547,877'Tantalum crucible fabrication and treatment'20036,537,371'Niobium crucible fabrication and treatment'20036,534,026'Low defect density silicon carbide'20036,508,880'Apparatus for growing low defect density silicon carbide'20036,428,621'Method for growing low defect density silicon carbide'20026,261,363'Technique for growing silicon carbide monocrystals'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2005Based in St. Petersburg, RU· patent location history
2002–2005Patents assigned to FOX GROUP INC (8)· patent assignee history
2020Patents assigned to II VI DELAWARE INC (1)· patent assignee history
2020Based in Richmond Hill, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FOX GROUP INC82002–2005
II VI DELAWARE INC12020
Locations
LocationPatentsSpan
St. Petersburg, RU92001–2005
Richmond Hill, New York, US12020