Sei Hirade has been granted 7 US patents while listed as an inventor at Nec . The first was granted in 2002 and the most recent in November 2009. Sei Hirade ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Sei Hirade in Tokyo, JP.
Patents per Year Patents granted per year, 2002 to 2009 Bar chart with a peak of 2 patents in 2002. peak 2 2002: 2 patents 2002 2006: 2 patents 2006 2007: 1 patents 2007 2008: 1 patents 2008 2009: 1 patents 2009
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7620130 Wireless diversity receiver using a combiner with control weights that are based on reported transmission power Motoya Iwasaki , Osami Nishimura , Yukio Haseba 2009-11-17
7359399 CDMA path protection method based on path protection information — 2008-04-15
7260140 Correlator allocation control process for allocating correlator group as divided into shared correlators and dedicated correlators — 2007-08-21
$41,000
7050484 Method of detecting path timings and CDMA receiving apparatus using the same — 2006-05-23
$22,000
7042862 Path searching method and device — 2006-05-09
$20,000
6493332 IS-95 base station apparatus, W-CDMA base station apparatus, mobile communication system, and frequency sharing method — 2002-12-10
$8,000
6411814 Mobile communication system capable of quickly responding a call setup request even during control of call congestion if a last call has been interrupted by a squelch function — 2002-06-25
$20,000
