Inventor · disambiguated record
Koichi Okawa
Also filed as: OKAWA KOICHI
10 granted patents·1 pending application·282 citations·filing 1997–2007
91Inventor score
Top patents by PatentIndex Score
11 records- 0190US7298721B2Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication systemNTT DOCOMO INC·Filed 2001·Granted Nov 20, 2007·39 cites·11 claims
- 0289US6097711ADS-CDMA transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Aug 1, 2000·78 cites·6 claims
- 0388US7142888B2Radio communication method, base station and mobile stationNTT DOCOMO INC·Filed 2003·Granted Nov 28, 2006·37 cites·9 claims
- 0480US7099697B2Base station, mobile communication system, and communication methodNTT DOCOMO INC·Filed 2003·Granted Aug 29, 2006·29 cites·7 claims
- 0578US7120467B2Radio communication method and base stationNTT DOCOMO INC·Filed 2004·Granted Oct 10, 2006·23 cites·5 claims
- 0678US6842442B2DS-CDMA transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Jan 11, 2005·50 cites·6 claims
- 0764US7190957B2Base station connection method, radio network controller, and mobile stationNTT DOCOMO INC·Filed 2003·Granted Mar 13, 2007·9 cites·13 claims
- 0861US7233812B2Directional beam communication system, directional beam communication method, base station and controllerNTT DOCOMO INC·Filed 2003·Granted Jun 19, 2007·7 cites·6 claims
- 0957US7027839B2Communication method using directional beam and radio base stationNTT DOCOMO INC·Filed 2003·Granted Apr 11, 2006·10 cites·6 claims
- 1053US8005110B2Single carrier/DS-CDMA packet transmission method, an uplink packet transmission method in a multi-carrier/DS-CDMA mobile communications system, and a structure of a downlink channel in a multi-carrier/DS-CDMA mobile communications systemNTT DOCOMO INC·Filed 2007·Granted Aug 23, 2011·0 cites·49 claims
- 1152US2007286129A1Single carrier/ds-cdma packet transmission method, an uplink packet transmission method in a multi-carrier/ds-cdma mobile communications system, and a structure of a downlink channel in a multi-carrier/ds-cdma mobile communications systemNTT DOCOMO INC·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koichi Okawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →