Inventor · disambiguated record
Kei Igarashi
Also filed as: IGARASHI KEI
14 granted patents·4 pending applications·57 citations·filing 2006–2012
89Inventor score
Top patents by PatentIndex Score
18 records- 0191US7697457B2Wireless communication apparatus and wireless communication methodNTT DOCOMO INC·Filed 2006·Granted Apr 13, 2010·24 cites·11 claims
- 0287US8054852B2Wireless communication terminal and wireless communication methodNTT DOCOMO INC·Filed 2007·Granted Nov 8, 2011·13 cites·5 claims
- 0376US7738481B2Wireless communication device and wireless communication methodNTT DOCOMO INC·Filed 2007·Granted Jun 15, 2010·7 cites·11 claims
- 0471US7940692B2Wireless communication terminal and wireless communication methodNTT DOCOMO INC·Filed 2007·Granted May 10, 2011·5 cites·13 claims
- 0566US8009599B2Wireless communication device and wireless communication methodNTT DOCOMO INC·Filed 2007·Granted Aug 30, 2011·3 cites·9 claims
- 0663US8165051B2Radio terminal, radio communication system, and radio communication methodAAD IMAD·Filed 2009·Granted Apr 24, 2012·3 cites·16 claims
- 0760US8446855B2Access point, wireless communication station, wireless communication system and wireless communication methodIGARASHI KEI·Filed 2009·Granted May 21, 2013·2 cites·12 claims
- 0852US8301152B2Mobile station, base station, and area shaping method performed by specified base stationINOUE YUKI·Filed 2008·Granted Oct 30, 2012·0 cites·23 claims
- 0951US8688130B2Mobile station, base station, and area shaping method performed by specified base stationINOUE YUKI·Filed 2012·Granted Apr 1, 2014·0 cites·3 claims
- 1049US8149864B2Wireless communication terminal and wireless communication methodYAMADA AKIRA·Filed 2010·Granted Apr 3, 2012·0 cites·2 claims
- 1149US8130784B2Wireless communication terminal and wireless communication methodYAMADA AKIRA·Filed 2010·Granted Mar 6, 2012·0 cites·2 claims
- 1248US8363582B2Wireless communication method, access point, wireless communication station and wireless communication systemNTT DOCOMO INC·Filed 2009·Granted Jan 29, 2013·0 cites·13 claims
- 1348US2010080162A1Wireless communication system, wireless communication station, access point and wireless communication methodNTT DOCOMO INC·Filed 2009·Application pending·0 cites
- 1447US8310968B2Access point, wireless communication station, wireless communication system and wireless communication methodIGARASHI KEI·Filed 2009·Granted Nov 13, 2012·0 cites·14 claims
- 1545US2010128620A1Mobile communications system, base station apparatus, mobile station apparatus, and propagation state collecting methodNTT DOCOMO INC·Filed 2008·Application pending·0 cites
- 1644US8144677B2Wireless communication device and wireless communication methodIGARASHI KEI·Filed 2008·Granted Mar 27, 2012·0 cites·6 claims
- 1744US2009279524A1Method and apparatus for reducing control signaling overhead in hybrid wireless networkYU YIFAN·Filed 2009·Application pending·0 cites
- 1843US2009257369A1Radio terminal, radio base station, and radio communication systemNTT DOCOMO INC·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →