Inventor
MURAKAMI MASARU
JP34 patents
⚠️ This page may combine multiple inventors who share the name “MURAKAMI MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
22 patentsUS6263204B1Jul 17, 2001
Switching center for mobile handover
HITACHI LTD97 citations99
US5963555AOct 5, 1999
Router apparatus using ATM switch
HITACHI LTD137 citations99
US6188693B1Feb 13, 2001
ATM multiplexing apparatus, ATM demultiplexing apparatus, and communication network with the apparatus
HITACHI LTD98 citations98
US6754495B2Jun 22, 2004
Handover method in mobile communication system
HITACHI LTD39 citations96
US6108546AAug 22, 2000
Handover method in mobile communication system
HITACHI LTD33 citations96
US6046999AApr 4, 2000
Router apparatus using ATM switch
HITACHI LTD65 citations96
US5768274AJun 16, 1998
Cell multiplexer having cell delineation function
HITACHI LTD53 citations95
US5570368AOct 29, 1996
Cell multiplexer having cell delineation function
HITACHI LTD89 citations95
US6424662B1Jul 23, 2002
Router apparatus using ATM switch
HITACHI LTD16 citations92
US6259920B1Jul 10, 2001
Handover method in mobile communication system
HITACHI LTD22 citations92
US6084889AJul 4, 2000
ATM multiplexing apparatus, ATM demultiplexing apparatus, and communication network with the apparatus
HITACHI LTD31 citations92
US5848067ADec 8, 1998
AAL1 processing method and apparatus for parallelly executing sequence number processing and pointer comparison processing in ATM cell disassembly apparatus
HITACHI LTD44 citations91
US6034954AMar 7, 2000
Multiplexing apparatus for transit of signals between service provided by low-speed transmission path and ATM service provided by high-speed transmission path
HITACHI LTD24 citations89
US6980553B2Dec 27, 2005
Router apparatus using ATM switch
HITACHI LTD11 citations74
US6754218B1Jun 22, 2004
Diversity handover processing apparatus and network control system using the same
HITACHI LTD7 citations74
US6385171B1May 7, 2002
Router apparatus using ATM switch
HITACHI LTD10 citations74
US6289008B1Sep 11, 2001
Communication system
HITACHI LTD11 citations74
US6178165B1Jan 23, 2001
Communication system
HITACHI LTD9 citations74
US6049534AApr 11, 2000
Communication system
HITACHI LTD6 citations74
US6795414B1Sep 21, 2004
Communication system
HITACHI LTD2 citations63
US6741598B1May 25, 2004
Switching method, switching equipment and switching network
HITACHI LTD6 citations61
US7079513B2Jul 18, 2006
Communication system
HITACHI LTD0 citations52
KAWASAKI STEEL CO
3 patentsUS6109305AAug 29, 2000
Double walled pipe, jacking method and pipe end structure of leading pipe
KAWASAKI STEEL CO8 citations71
US5615976AApr 1, 1997
Double walled pipe, jacking method and pipe end structure of leading pipe
KAWASAKI STEEL CO10 citations71
US6004073ADec 21, 1999
Double walled pipe, jacking method and pipe end structure of leading pipe
KAWASAKI STEEL CO0 citations50
FUJITSU LTD
2 patentsMAEKAWA SEISAKUSHO KK
2 patentsUS6532761B2Mar 18, 2003
Low temperature physical distribution system and method and apparatus for maintaining quality in auction market
MAEKAWA SEISAKUSHO KK4 citations62
US6792768B2Sep 21, 2004
Low temperature physical distribution system and method and apparatus for maintaining quality in auction market
MAEKAWA SEISAKUSHO KK0 citations52