Echizen
Japan
35
2023-12-21
The entities that hold a legal rights for patent applications filed by inventor Hirota Koichi:
Koichi Hirota from Echizen, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for producing magnetic refrigeration material, and magnetic refrigeration material
#2 | 2023-12-14RECYCLING METHOD FOR HEAVY RARE EARTH ELEMENT AND RECYCLING METHOD FOR RARE EARTH MAGNET
#3 | 2023-09-28Method for producing magnetic refrigeration material, and magnetic refrigeration material
#4 | 2022-12-29RARE EARTH SINTERED MAGNET
#5 | 2022-12-22R-FE-B-BASED SINTERED MAGNET
#6 | 2022-05-12Method for Manufacturing Rare Earth Sintered Magnet
#7 | 2020-09-24R-Fe-B sintered magnet
#8 | 2020-04-09Rare earth sintered magnet
#9 | 2020-03-12R—Fe—B sintered magnet and production method therefor
#10 | 2018-03-29R-Fe-B sintered magnet
#11 | 2018-03-29Method for preparing R—Fe—B sintered magnet
#12 | 2017-12-21R-Fe-B sintered magnet and making method
#13 | 2017-05-18R-(Fe, Co)-B sintered magnet and making method
#14 | 2017-04-06Rare earth sintered magnet and making method
#15 | 2016-10-06R-Fe—B sintered magnet and making method
#16 | 2016-10-06R—Fe—B sintered magnet and making method
#17 | 2016-10-06R-Fe-B sintered magnet and making method
#18 | 2014-06-19Nd based sintered magnet
#19 | 2011-09-01Method of manufacturing an Nd based sintered magnet
#20 | 2011-06-23Preparation of rare earth permanent magnet material
#21 | 2009-09-10Method for preparing rare earth permanent magnet material
#22 | 2009-04-16Method for preparing rare earth permanent magnet material
#23 | 2008-10-09Method for preparing rare earth permanent magnet
#24 | 2008-10-09Preparation of rare earth permanent magnet material
#25 | 2008-03-06Permanent magnet rotating machine
#26 | 2007-10-18Method for preparing rare earth permanent magnet material
#27 | 2007-10-18Method for preparing rare earth permanent magnet material
#28 | 2007-07-12R-FE-B based rare earth permanent magnet material
#29 | 2007-06-07R-T-B—C rare earth sintered magnet and making method
#30 | 2007-01-25Rare earth permanent magnet, making method, and permanent magnet rotary machine
#31 | 2006-09-28Functionally graded rare earth permanent magnet
#32 | 2006-09-28Rare earth permanent magnet
#33 | 2006-09-28Rare earth permanent magnet
#34 | 2006-09-28Functionally graded rare earth permanent magnet
#35 | 2006-06-29Nd-Fe-B rare earth permanent magnet material
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