Inventor · disambiguated record
Shigeki Yamakawa
Also filed as: YAMAKAWA SHIGEKI
12 granted patents·1 pending application·248 citations·filing 1997–2004
93Inventor score
Files withMITSUBISHI ELECTRIC CORP12
Top patents by PatentIndex Score
13 records- 0191US6321877B2Controlling apparatus for elevator with divided control panelMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Nov 27, 2001·36 cites·16 claims
- 0284US7419032B2Elevator monitoring terminal and elevator monitoring apparatus with multiple display screens displaying operational data, in-car image data and communication request dataMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Sep 2, 2008·24 cites·4 claims
- 0378US6405834B1Elevator maintenance/operation apparatusMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jun 18, 2002·35 cites·13 claims
- 0475US6311801B1Brake control apparatus with auxiliary power source meansFiled 2000·Granted Nov 6, 2001·19 cites·8 claims
- 0571US6488126B1Elevator control deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 3, 2002·16 cites·3 claims
- 0671US6230845B1Moveable control panel for elevatorsMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 15, 2001·29 cites·10 claims
- 0767US6631788B2Elevator system with safety installationMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Oct 14, 2003·15 cites·12 claims
- 0858US6896105B1Elevator system including control panel within hoistwayMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 24, 2005·10 cites·8 claims
- 0957US6357015B1Data interface and high-speed communication system using the sameMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 12, 2002·38 cites·11 claims
- 1053US6860161B2Weight detector for elevatorMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Mar 1, 2005·10 cites·11 claims
- 1140US6223860B1Control device for elevatorMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 1, 2001·10 cites·13 claims
- 1238US2005167205A1Elevator monitor system and computer-readable recording medium in which elevator monitor program has been storedMITSUBISHI ELECTRIC CORP·Filed 2003·Application pending·0 cites
- 1332US6230846B1Elevator apparatus with control panel located within elevator hoistwayMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 15, 2001·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →