Inventor
NISHIMURA NATSUYA
JP9 patents
Patents
9 patentsUS6198870B1Mar 6, 2001
Optical waveguide and 1.5 μm-band optical amplifier using same
CENTRAL GLASS CO LTD18 citations91
US5338607AAug 16, 1994
1.3 micrometer-band amplifying optical fiber preform
CENTRAL GLASS CO LTD20 citations91
US6501596B1Dec 31, 2002
1.4-1.52 μm-band optical amplifier
CENTRAL GLASS CO LTD17 citations82
US5684815ANov 4, 1997
Upconversion laser material
CENTRAL GLASS CO LTD13 citations73
US6534207B2Mar 18, 2003
Process for producing amorphous material containing single crystal or polycrystal and material produced
CENTRAL GLASS CO LTD8 citations72
US6261420B1Jul 17, 2001
Process for producing amorphous material containing single crystal or polycrystal and material produced
CENTRAL GLASS CO LTD13 citations72
US5308371AMay 3, 1994
Method of forming fluoride glass fiber preform
CENTRAL GLASS CO LTD7 citations72
US6645893B2Nov 11, 2003
Glass suitable for optical functional elements and process for producing same
CENTRAL GLASS CO LTD3 citations60
US10329155B2Jun 25, 2019
Manufacturing method for lithium difluorophosphate powder, and lithium difluorophosphate
CENTRAL GLASS CO LTD0 citations49