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CRYSTAL SYST

Overview
  • Total Patents
    78
About

CRYSTAL SYST has a total of 78 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, surface technology and coating and machine tools are GREEN ENERGY TECHNOLOGY INC, MAX ERA INC and PV SILICON FORSCHUNGS UND PROD.

Patent filings per year

Chart showing CRYSTAL SYSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmid Frederick 51
#2 Khattak Chandra P 31
#3 Smith Maynard B 14
#4 Joyce David B 7
#5 Furederitsuku Shiyumitsuto 5
#6 Shindo Isamu 4
#7 Schmid F 4
#8 Chiyandora Pii Kuhatsutatsuku 2
#9 Khattak C 2
#10 Sato Koji 2

Latest patents

Publication Filing date Title
TW201033122A Method and apparatus for refining metallurgical grade silicon to produce solar grade silicon
EP1772538A1 Process and apparatus for producing single crystal
US2007044707A1 System and method for crystal growing
US2004211496A1 Reusable crucible for silicon ingot growth
EP1275624A1 Antifogging product, inorganic hydrophilic hard layer forming material and process for producing antifogging lens
US6418921B1 Method and apparatus for cutting workpieces
US6368403B1 Method and apparatus for purifying silicon
US5972107A Method for purifying silicon
WO9800273A1 Method and apparatus to produce a radial cut profile
EP0768391A2 Floating zone melting apparatus
US5438973A Shaped blades
US5394825A Method and apparatus for growing shaped crystals
WO9003952A1 Method of growing silicon ingots using a rotating melt
US4727852A Multi-wafer slicing with a fixed abrasive
US4646710A Multi-wafer slicing with a fixed abrasive
GB2084978A Growing silicon ingots
US4384564A Process of forming a plated wirepack with abrasive particles only in the cutting surface with a controlled kerf
CA1120382A Wire blades
US4349178A Wire blades
GB2041236A Method and apparatus for growing crystals