Inventor
MATSUMOTO KENJI
JP255 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS6345263B1Feb 5, 2002
Electronic purse application system and method thereof
HITACHI LTD112 citations98
US5992738ANov 30, 1999
IC card automated transaction terminal and IC card used therein
HITACHI LTD110 citations98
US5987438ANov 16, 1999
Electronic wallet system
HITACHI LTD194 citations97
US6016956AJan 25, 2000
Electronic money transaction system with a radio transmitter and receiver using a portable telephone
HITACHI LTD74 citations96
US5838059ANov 17, 1998
Multichip IC card and IC card system using it
HITACHI LTD56 citations96
US6484946B2Nov 26, 2002
IC card information display device and IC card for use therewith
HITACHI LTD76 citations95
US6367696B1Apr 9, 2002
IC card processing device, automatic vending device, and selling method
HITACHI LTD77 citations95
US5991747ANov 23, 1999
Electronic purse loan system
HITACHI LTD47 citations94
US6634549B1Oct 21, 2003
IC card automated transaction terminal and IC used therein
HITACHI LTD21 citations93
US6536661B1Mar 25, 2003
Electronic money transaction system with a radio transmitter and receiver using a portable telephone
HITACHI LTD21 citations93
US6189782B1Feb 20, 2001
Electronic purse
HITACHI LTD15 citations93
US6036088AMar 14, 2000
Method and apparatus for processing IC card found
HITACHI LTD28 citations93
US6425522B1Jul 30, 2002
IC card information processing system, and apparatus and cards for the same
HITACHI LTD34 citations92
US6359699B1Mar 19, 2002
IC card processing system and processing method
HITACHI LTD41 citations92
US6199755B1Mar 13, 2001
Machine data acquistion system and method
HITACHI LTD28 citations92
US5748238AMay 5, 1998
Video camera
HITACHI LTD30 citations92
HONDA MOTOR CO LTD
10 patentsUS6327137B1Dec 4, 2001
Electric double layer capacitor apparatus
HONDA MOTOR CO LTD101 citations98
USD522456SJun 6, 2006
Capacitor cell
HONDA MOTOR CO LTD69 citations96
US5850331ADec 15, 1998
Electric double-layer capacitor and capacitor device
HONDA MOTOR CO LTD57 citations96
US5537969AJul 23, 1996
Cylinder block
HONDA MOTOR CO LTD55 citations96
US6456484B1Sep 24, 2002
Electric double layer capacitor
HONDA MOTOR CO LTD71 citations95
US5932932AAug 3, 1999
Storage battery voltage control apparatus
HONDA MOTOR CO LTD80 citations94
US9435750B2Sep 6, 2016
Borescope
HONDA MOTOR CO LTD21 citations93
US6656632B2Dec 2, 2003
Cell module structure
HONDA MOTOR CO LTD24 citations92
US6603653B2Aug 5, 2003
Electric double layer capacitor
HONDA MOTOR CO LTD25 citations92
US6301093B1Oct 9, 2001
Electrochemical capacitor
HONDA MOTOR CO LTD29 citations92
3M INNOVATIVE PROPERTIES CO
4 patentsUS6514892B1Feb 4, 2003
Transparent beads and their production method
3M INNOVATIVE PROPERTIES CO108 citations97
US6511739B2Jan 28, 2003
Transparent beads and their production method
3M INNOVATIVE PROPERTIES CO96 citations97
US6335083B1Jan 1, 2002
Transparent beads and their production method
3M INNOVATIVE PROPERTIES CO104 citations97
US6519401B1Feb 11, 2003
Light fibers and methods for producing the same
3M INNOVATIVE PROPERTIES CO61 citations94
TOKYO ELECTRON LTD
3 patentsUS6800139B1Oct 5, 2004
Film deposition apparatus and method
TOKYO ELECTRON LTD146 citations98
US7540923B2Jun 2, 2009
Shower head structure for processing semiconductor
TOKYO ELECTRON LTD21 citations93
US7354622B2Apr 8, 2008
Method for forming thin film and apparatus for forming thin film
TOKYO ELECTRON LTD21 citations93
SHARP KK
3 patentsNITTO DENKO CORP
2 patentsKONISHIROKU PHOTO IND
2 patentsFUJI PHOTO FILM CO LTD
1 patentKANEGAFUCHI CHEMICAL IND
1 patentEASTMAN KODAK CO
1 patentCITIZEN ELECTRONICS
1 patentTEAC CORP
1 patentBRIDGESTONE CORP
1 patentMATSUMOTO KENJI
1 patentCITIZEN HOLDINGS CO LTD
1 patentTOKYO ELECTRON LIMTED
1 patentHOYA CORP
1 patentShowing the top 50 of 255 patents by PatentIndex Score.