Inventor
KATAGISHI MAKOTO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KATAGISHI MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6438471B1Aug 20, 2002
Repair and maintenance support system and a car corresponding to the system
HITACHI LTD146 citations99
US6985744B2Jan 10, 2006
Cellular phone and a base station thereof
HITACHI LTD60 citations96
US6920382B2Jul 19, 2005
Repair and maintenance support system and a car corresponding to the system
HITACHI LTD35 citations96
US6735504B2May 11, 2004
Repair and maintenance support system and a car corresponding to the system
HITACHI LTD65 citations96
US6549833B2Apr 15, 2003
Repair and maintenance support system and a car corresponding to the system
HITACHI LTD69 citations96
US6408193B1Jun 18, 2002
Cellular telephone
HITACHI LTD49 citations94
US5554960ASep 10, 1996
Branching filter, branching filter module and radio commnication apparatus
HITACHI LTD63 citations94
US7245924B2Jul 17, 2007
Cellular phone and a base station thereof
HITACHI LTD20 citations92
US6973334B2Dec 6, 2005
Cellular telephone
HITACHI LTD25 citations91
US7362952B2Apr 22, 2008
Personal digital assistant apparatus
HITACHI LTD13 citations84
US7817094B2Oct 19, 2010
Antenna, and wireless module, wireless unit and wireless apparatus having the antenna
HITACHI LTD10 citations83
US9980286B2May 22, 2018
Wireless communication method, apparatus and program to manage channel usage
HITACHI LTD2 citations73
US6917823B2Jul 12, 2005
Cellular telephone
HITACHI LTD10 citations72
US7139533B2Nov 21, 2006
Mobile communication terminal
HITACHI LTD9 citations71
US7714787B2May 11, 2010
Antenna, and wireless module, wireless unit and wireless apparatus having the antenna
HITACHI LTD3 citations61
US7377428B2May 27, 2008
Communication terminal and information communication system
HITACHI LTD1 citations51
US9722688B2Aug 1, 2017
Wireless transport system
HITACHI LTD0 citations42
US9967895B2May 8, 2018
Wireless transmission system
HITACHI LTD0 citations41