P

Inventor

KOAIZAWA HISASHI

JP20 patents
⚠️ This page may combine multiple inventors who share the name “KOAIZAWA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FURUKAWA ELECTRIC CO LTD

14 patents
US6543257B1Apr 8, 2003

Dehydration and sintering apparatus for porous optical fiber preform

FURUKAWA ELECTRIC CO LTD47 citations92
US5897682AApr 27, 1999

Apparatus for cooling an optical fiber to be resin coated

FURUKAWA ELECTRIC CO LTD39 citations92
US6284046B1Sep 4, 2001

Optical fiber resin coating apparatus

FURUKAWA ELECTRIC CO LTD24 citations91
US5449408ASep 12, 1995

Optical fiber coating apparatus and positioning method thereof

FURUKAWA ELECTRIC CO LTD34 citations91
US6192715B1Feb 27, 2001

Furnace for forming optical fiber

FURUKAWA ELECTRIC CO LTD25 citations89
US6684018B2Jan 27, 2004

Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber

FURUKAWA ELECTRIC CO LTD13 citations82
US6766089B2Jul 20, 2004

Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiber

FURUKAWA ELECTRIC CO LTD7 citations71
US8029327B2Oct 4, 2011

Semiconductor device and display device using a one-dimensional substrate and device fabricating method thereof

FURUKAWA ELECTRIC CO LTD2 citations62
US4884290ANov 28, 1989

Method of analyzing composition of optical fiber base material to be measured by radioactive rays

FURUKAWA ELECTRIC CO LTD6 citations62
US7883778B2Feb 8, 2011

Sheet glass and method for manufacturing sheet glass

FURUKAWA ELECTRIC CO LTD2 citations61
US7079738B2Jul 18, 2006

Method for manufacturing a glass doped with a rare earth element and fiber for optical amplification using the same

FURUKAWA ELECTRIC CO LTD2 citations60
US8039927B2Oct 18, 2011

Linear semiconductor substrate, and device, device array and module, using the same

FURUKAWA ELECTRIC CO LTD0 citations50
US7729565B2Jun 1, 2010

Fiber sensor and fiber sensor device

FURUKAWA ELECTRIC CO LTD0 citations50
US10591135B2Mar 17, 2020

LED lighting device, and method of extracting light using LED lighting device

FURUKAWA ELECTRIC CO LTD0 citations31

NAKAMURA TOSHIHIRO

3 patents

YOKOGAWA ELECTRIC CORP

1 patent

HIRAYAMA TAKESHI

1 patent

FUYUKI TAKASHI

1 patent