Inventor

SUGAWA KATSUMI

JP6 patents

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

FUJITSU LTD

3 patents

US8891716B2Nov 18, 2014

Node device and method for synchronizing clock times

FUJITSU LTD4 citations71

US6041062AMar 21, 2000

High-speed synchronous multiplexing apparatus

FUJITSU LTD13 citations69

US7733467B2Jun 8, 2010

Optical passive device product identification apparatus and connectivity determination apparatus

FUJITSU LTD2 citations61

MURAKAMI YUKI

1 patent

US8412045B2Apr 2, 2013

Propagation apparatus and dispersion value setting method

MURAKAMI YUKI5 citations60

OHTOU MAKOTO

1 patent

US8195052B2Jun 5, 2012

Optical wavelength multiplexing system, optical wavelength multiplexing method, and computer product

OHTOU MAKOTO4 citations57

BATO KOJI

1 patent

US8189180B2May 29, 2012

Optical fiber transmission line measurement apparatus and system

BATO KOJI5 citations54