P

Inventor

YAMADA NARITOSHI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA NARITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJIKURA LTD

7 patents
US7647792B2Jan 19, 2010

Method for fabricating porous silica preform

FUJIKURA LTD8 citations81
US9611124B2Apr 4, 2017

Optical fiber screening test method and optical fiber screening test apparatus

FUJIKURA LTD3 citations70
US7866189B2Jan 11, 2011

Dehydration-sintering furnace, a manufacturing method of an optical fiber preform utilizing the furnace and an optical fiber preform manufactured by the method

FUJIKURA LTD1 citations50
US8375749B2Feb 19, 2013

Method for fabricating porous silica preform

FUJIKURA LTD1 citations49
US8997527B2Apr 7, 2015

Apparatus and method for manufacturing optical fiber preform

FUJIKURA LTD0 citations40
US7849714B2Dec 14, 2010

Dehydration-sintering furnace

FUJIKURA LTD0 citations40
US8037718B2Oct 18, 2011

Method for manufacturing optical fiber preform

FUJIKURA LTD0 citations39

YAMADA NARITOSHI

2 patents
US8881554B2Nov 11, 2014

Optical fiber preform manufacturing apparatus and optical fiber preform manufacturing method

YAMADA NARITOSHI0 citations33
US8869565B2Oct 28, 2014

Method and apparatus of producing optical fiber preform

YAMADA NARITOSHI0 citations33

IKEDA MASASHI

1 patent
US8340487B2Dec 25, 2012

Rare earth-doped core optical fiber and manufacturing method thereof

IKEDA MASASHI1 citations51

OKADA KENJI

1 patent
US8195019B2Jun 5, 2012

Plastic glass optical fiber

OKADA KENJI0 citations40

GOTOH TAKAKAZU

1 patent
US8567217B2Oct 29, 2013

Optical fiber preform and manufacturing method therefor

GOTOH TAKAKAZU0 citations39