Inventor
KAWASAKI HIROYA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI HIROYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
7 patentsUS5663949ASep 2, 1997
Line protection switching system in duplexed fiber interface shelf
FUJITSU LTD68 citations92
US5878063AMar 2, 1999
Method of detecting cell loss and exchange provided with cell loss detecting function
FUJITSU LTD19 citations89
US6477141B1Nov 5, 2002
Communication path quality monitoring method and quality monitoring apparatus
FUJITSU LTD18 citations82
US5958069ASep 28, 1999
Apparatus for preventing malfunction at time of duplex unit failure
FUJITSU LTD19 citations81
US6671760B1Dec 30, 2003
Switching system for controlling internal apparatuses in an exchange system
FUJITSU LTD17 citations80
US7092900B2Aug 15, 2006
Electronic commerce method, recording medium storing electronic commerce program therein, and server
FUJITSU LTD2 citations62
US7453800B2Nov 18, 2008
Communications apparatus and congestion control method
FUJITSU LTD4 citations60