Inventor · disambiguated record
Hirofumi Shiotsuki
Also filed as: SHIOTSUKI HIROFUMI
8 granted patents·203 citations·filing 1989–2002
89Inventor score
Files withNEC CORP8
Top patents by PatentIndex Score
8 records- 0183US6778830B1Mobile telecommunication system and channel handoff system between the mobile telecommunication systemsNEC CORP·Filed 2000·Granted Aug 17, 2004·65 cites·8 claims
- 0264US6393287B1System for switching speech channel between loosely couple radio base stationsNEC CORP·Filed 2000·Granted May 21, 2002·16 cites·4 claims
- 0357US7024201B2Mobile communication systemNEC CORP·Filed 2002·Granted Apr 4, 2006·6 cites·8 claims
- 0450US5450473AMethod and arrangement of effectively reducing signal strength measurements for a handoff in a cellular mobile communications systemNEC CORP·Filed 1994·Granted Sep 12, 1995·36 cites·4 claims
- 0545US5436956AMethod and arrangement for reducing the number of handoff requests in a cellular mobile communications systemNEC CORP·Filed 1993·Granted Jul 25, 1995·34 cites·13 claims
- 0643US6424833B1Mobile communication system and a hand-off method thereofNEC CORP·Filed 1999·Granted Jul 23, 2002·19 cites·5 claims
- 0737US5095530ARadio telephone system switching control capability of control channelsNEC CORP·Filed 1989·Granted Mar 10, 1992·22 cites·3 claims
- 0829US5455963AMethod of switching voice channels in a mobile communication systemNEC CORP·Filed 1993·Granted Oct 3, 1995·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →