Inventor · disambiguated record
Toshitsugu Takekuma
Also filed as: TAKEKUMA TOSHITSUGU
29 granted patents·1 pending application·1,500 citations·filing 1992–2010
98Inventor score
Top patents by PatentIndex Score
30 records- 0198US6580295B2Signal transmission systemHITACHI LTD·Filed 2001·Granted Jun 17, 2003·221 cites·16 claims
- 0298US6034878ASource-clock-synchronized memory system and memory unitHITACHI LTD·Filed 1997·Granted Mar 7, 2000·537 cites·31 claims
- 0393US6125419ABus system, printed circuit board, signal transmission line, series circuit and memory moduleHITACHI LTD·Filed 1997·Granted Sep 26, 2000·228 cites·27 claims
- 0487US5872471ASimultaneous bidirectional transmission circuitHITACHI LTD·Filed 1996·Granted Feb 16, 1999·62 cites·16 claims
- 0581US5548226AFast transmission line implemented with receiver, driver, terminator and IC arrangementsHITACHI LTD·Filed 1994·Granted Aug 20, 1996·49 cites·17 claims
- 0681US5410507ASpecial mode control method for dynamic random access memoryHITACHI LTD·Filed 1992·Granted Apr 25, 1995·50 cites·50 claims
- 0777US5568063ASignal transmitting device, circuit block and integrated circuit suited to fast signal transmissionHITACHI LTD·Filed 1995·Granted Oct 22, 1996·21 cites·11 claims
- 0875US6088829ASynchronous data transfer systemHITACHI LTD·Filed 1999·Granted Jul 11, 2000·60 cites·6 claims
- 0970US6211703B1Signal transmission systemHITACHI LTD·Filed 1997·Granted Apr 3, 2001·46 cites·28 claims
- 1067US7372292B2Signal transmitting device suited to fast signal transmissionHITACHI LTD·Filed 2002·Granted May 13, 2008·4 cites·44 claims
- 1166US5441834AProcess for fabricating phase shift mask and process of semiconductor integrated circuit deviceHITACHI LTD·Filed 1992·Granted Aug 15, 1995·36 cites·18 claims
- 1262US5668834ASignal transmitting device suitable for fast signal transmission including an arrangement to reduce signal amplitude in a second stage transmission lineHITACHI LTD·Filed 1995·Granted Sep 16, 1997·24 cites·29 claims
- 1361US7015717B2Signal transmitting device suited to fast signal transmissionHITACHI LTD·Filed 2004·Granted Mar 21, 2006·2 cites·40 claims
- 1461US6441639B1Circuit module connected to a transmission line including arrangement to suppress reflections at a branch point of the transmission lineHITACHI LTD·Filed 2000·Granted Aug 27, 2002·3 cites·9 claims
- 1561US5933623ASynchronous data transfer systemHITACHI LTD·Filed 1996·Granted Aug 3, 1999·34 cites·41 claims
- 1660US6768346B2Signal transmission systemHITACHI LTD·Filed 2003·Granted Jul 27, 2004·5 cites·14 claims
- 1756US7911224B2Signal transmitting device suited to fast signal transmissionHITACHI LTD·Filed 2008·Granted Mar 22, 2011·0 cites·106 claims
- 1856US6420900B2Semiconductor memoryHITACHI LTD·Filed 2001·Granted Jul 16, 2002·2 cites·67 claims
- 1955US5627481AFast transmission line implemented with receiver, driver, terminator and IC arrangementsHITACHI LTD·Filed 1996·Granted May 6, 1997·16 cites·10 claims
- 2054US2002046094A1Method and system for delivering electronic advertisement via networkFiled 2001·Application pending·0 cites
- 2153US8106677B2Signal transmitting device suited to fast signal transmissionTAKEKUMA TOSHITSUGU·Filed 2010·Granted Jan 31, 2012·0 cites·106 claims
- 2253US5565285AMethod of making mask pattern data and process for manufacturing the maskHITACHI LTD·Filed 1995·Granted Oct 15, 1996·14 cites·7 claims
- 2347US5818253ASignal transmitting device, circuit block and integrated circuit suited to fast signal transmissionHITACHI LTD·Filed 1996·Granted Oct 6, 1998·9 cites·8 claims
- 2447US5767695AFast transmission line implemented with receiver, driver, terminator and IC arrangementsFiled 1996·Granted Jun 16, 1998·23 cites·18 claims
- 2547US5564033ADisk array system using detachable memory mediumHITACHI LTD·Filed 1994·Granted Oct 8, 1996·22 cites·18 claims
- 2644US5458998AMethod of making mask pattern data and process for manufacturing the maskHITACHI LTD·Filed 1992·Granted Oct 17, 1995·10 cites·22 claims
- 2740US6172517B1Signal transmitting device, circuit block and integrated circuit suited to fast signal transmissionHITACHI LTD·Filed 1998·Granted Jan 9, 2001·3 cites·7 claims
- 2840US5634042AData transfer apparatus that compensates for differential signal delaysHITACHI LTD·Filed 1994·Granted May 27, 1997·13 cites·23 claims
- 2937US5677092AProcess for fabricating phase shift mask and process of semiconductor integrated circuit deviceHITACHI LTD·Filed 1995·Granted Oct 14, 1997·6 cites·8 claims
- 3030US5736277AMethod of making mask pattern data and process for manufacturing the maskHITACHI LTD·Filed 1996·Granted Apr 7, 1998·0 cites·53 claims
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