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MITSUBISHI MATERIALS POLYCRYST

Overview
  • Total Patents
    26
About

MITSUBISHI MATERIALS POLYCRYST has a total of 26 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, surface technology and coating and materials and metallurgy are FOX GROUP INC, SUMITOMO SITIX CORP and CRYSTAL GROWING SYSTEMS GMBH.

Patent filings in countries

World map showing MITSUBISHI MATERIALS POLYCRYSTs patent filings in countries

Patent filings per year

Chart showing MITSUBISHI MATERIALS POLYCRYSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakano Mamoru 7
#2 Hatakeyama Naoki 5
#3 Yamaguchi Yukio 5
#4 Sato Rikito 5
#5 Takesue Hisayuki 4
#6 Kawamura Daizaburo 4
#7 Sasaki Takeshi 4
#8 Hori Kenji 3
#9 Kasai Kazunori 3
#10 Narukawa Mitsutoshi 3

Latest patents

Publication Filing date Title
JP2007136909A Method and apparatus for processing stick-like core material and silicon seed
JP2007107030A Method for preventing short circuit of electrode and plate for preventing short circuit
JP2007001791A Method of purifying trichlorosilane
JP2005336045A Method of manufacturing polycrystalline silicon
JP2006181555A Washing method and washing device of polycrystalline silicon
JP2005314191A Process for producing polycrystalline silicon
JP2005288332A Crushing method of polycrystalline silicon rod
JP2005288331A Washing and dewatering apparatus for polycrystalline silicon
JP2005288891A Method for cutting polycrystalline silicon and cutting device
JP2005288333A Washing method and washing apparatus of polycrystalline silicon
JP2003112996A Impact relieving type polycrystalline silicone
JP2003104711A Crucible type polycrystalline silicon
WO0212122A1 Process for producing disilicon hexachloride
JP2002059417A Polycrystalline silicon rod and method for processing the same
JP2001278693A Cut rod joint method and cut rod with joint structure
JP2000302594A Cleaning method of polycrystalline silicon
JP2000239095A Method and apparatus for cleaning silicon raw material, and filter for protecting circulating pump therefor
JP2000143400A Cleaning implement for columnar polycrystal silicon
JP2000095513A Nozzle structure used for polycrystalline silicon bar production device
JPH11278987A Supply of gas for epitaxial growth and device therefor