Inventor · disambiguated record
Koji Hirayama
Also filed as: HIRAYAMA KOJI
11 granted patents·2 pending applications·241 citations·filing 1987–2021
91Inventor score
Top patents by PatentIndex Score
13 records- 0184US7020084B1Communication system, a communication method and communication terminalHITACHI LTD·Filed 2000·Granted Mar 28, 2006·46 cites·16 claims
- 0280US7003302B2Wireless base station and packet transfer apparatus for dynamically controlling data transmission rateHITACHI LTD·Filed 2001·Granted Feb 21, 2006·38 cites·5 claims
- 0372US6731621B1Mobil communication system for providing IP packet communications and method for routing IP packetsHITACHI LTD·Filed 1999·Granted May 4, 2004·83 cites·15 claims
- 0467US6879592B1Switching system and switching control methodHITACHI LTD·Filed 2000·Granted Apr 12, 2005·13 cites·6 claims
- 0567US6826167B2Mobile communication systemHITACHI LTD·Filed 2001·Granted Nov 30, 2004·14 cites·7 claims
- 0667US4898039AThrottle lever holding deviceKIORITZ CORP·Filed 1987·Granted Feb 6, 1990·23 cites·2 claims
- 0763US11670782B2Fuel cell separator and fuel cell stackHONDA MOTOR CO LTD·Filed 2021·Granted Jun 6, 2023·0 cites·9 claims
- 0863US10564535B2Projection type image display apparatus and information display method on projection type image display apparatusMAXELL LTD·Filed 2015·Granted Feb 18, 2020·1 cites·1 claims
- 0954US6340919B1Random number generating circuitOKI ELECTRIC IND CO LTD·Filed 2000·Granted Jan 22, 2002·4 cites·13 claims
- 1053US7435371B2Method for manufacturing rubber parts combined with substrateKOKOKU INTECH LTD·Filed 2003·Granted Oct 14, 2008·4 cites·3 claims
- 1152US4875384AThrottle lever mechanismKIORITZ CORP·Filed 1987·Granted Oct 24, 1989·15 cites·2 claims
- 1248US2010238943A1Communication channel switchHITACHI LTD·Filed 2009·Application pending·0 cites
- 1337US2011105159A1Digital signage system and image display control methodHITACHI LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →