Sakura
Japan
18
2010-04-01
The entities that hold a legal rights for patent applications filed by inventor Harada Koichi:
Koichi Harada from Sakura, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for fabricating porous silica preform
#2 | 2009-12-10Optical fiber drawing and twisting apparatus
#3 | 2007-08-30Higher order mode dispersion compensating fiber and mode converter for higher order fiber
#4 | 2007-07-12Method for measuring a differential mode delay of a multimode optical fiber
#5 | 2007-01-23Multi-tube burner and glass preform manufacturing method using the same
#6 | 2006-11-02Optical fiber twisting apparatus with a roller having an accuracy of 15 microns or less
#7 | 2006-10-19Method for treating optical fiber and apparatus for treating optical fiber
#8 | 2006-07-04Optical fiber, optical fiber preform, and manufacturing method therefor
#9 | 2006-06-15Treatment method for optical fiber
#10 | 2006-06-13Optical fiber and optical transmission path
#11 | 2006-05-09Optical fiber drawing die and drawing method therefor
#12 | 2006-02-23Optical fiber
#13 | 2006-02-16Method for compensating modal dispersion in multimode optical fiber transmission path
#14 | 2005-12-27Dispersion-compensating optical fiber and hybrid transmission line
#15 | 2005-11-24Optical fiber polarization mode dispersion measurement method and measurement device
#16 | 2005-05-26Method for fabricating porous silica preform
#17 | 2005-05-17Single-mode optical fiber and composite optical line
#18 | 2005-01-20Higher order mode dispersion compensating fiber and mode converter for higher order fiber
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