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GRANOPT LTD

Overview
  • Total Patents
    15
About

GRANOPT LTD has a total of 15 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy are SHANGHAI INDUCTEK POWER ELECTRONICS EQUIPMENT LTD, SHANGHAI INSTALLATION ENGINEERING CO LTD and SHT KK.

Patent filings in countries

World map showing GRANOPT LTDs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing GRANOPT LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Hanaki Yohei 11
#2 Shirai Kazushi 10
#3 Asahara Yosuke 7
#4 Osumi Shuji 5
#5 Nakagawa Satoru 3
#6 Oyama Hiroshi 2
#7 Sasaki Tatsuya 2
#8 Iino Takayuki 2
#9 Sekiwa Hideyuki 1
#10 Kishimoto Toshiki 1

Latest patents

Publication Filing date Title
JP2014189472A Bismuth-substituted rare earth iron garnet single crystal and production method thereof
JP2013170120A Method for manufacturing faraday rotator
JP2011011944A Faraday rotator
JP2010256588A Faraday rotator
JP2010072263A Faraday rotator
JP2009147184A Method for manufacturing bismuth-substituted rare-earth iron garnet single crystal
JP2009091214A Rare earth iron garnet single crystal
JP2009016548A Method of manufacturing bismuth-substituted iron garnet single crystal
JP2008021691A Process for producing bismuth-substitution rare-earth iron garnet single crystal
JP2007266152A Method for producing bismuth-substituted rare-earth iron garnet single crystal
JP2007165668A Bismuth substituted rare earth iron garnet single crystal and method of manufacturing same
JP2007153696A Method for producing bismuth-substituted rare earth iron garnet single crystal
JP2007033234A Evaluation method for bismuth-substituted rare-earth iron garnet membrane chip
JP2007008759A Bismuth-substituted magnetic garnet film and its production method
JP2006290643A Method for manufacturing bismuth-substituted magnetic garnet film