Inventor · disambiguated record
Kiyoshi Kohiyama
Also filed as: KOHIYAMA KIYOSHI
24 granted patents·4 pending applications·275 citations·filing 1989–2018
95Inventor score
Top patents by PatentIndex Score
28 records- 0179US5787179AScrambling and descrambling of data with improved securityFUJITSU LTD·Filed 1996·Granted Jul 28, 1998·68 cites·27 claims
- 0278US8984272B2Information processing apparatus, secure module, information processing method, and computer productKOHIYAMA KIYOSHI·Filed 2012·Granted Mar 17, 2015·8 cites·21 claims
- 0375US9177117B2Secure module and information processing apparatusKOHIYAMA KIYOSHI·Filed 2011·Granted Nov 3, 2015·6 cites·15 claims
- 0470US5867219AImage processing device using high frequency component suppressionFUJITSU LTD·Filed 1996·Granted Feb 2, 1999·39 cites·14 claims
- 0569US5621741AMethod and apparatus for testing terminal connections of semiconductor integrated circuitsFUJITSU LTD·Filed 1993·Granted Apr 15, 1997·30 cites·14 claims
- 0667US5220529AOne-chip first-in first-out memory device having matched write and read operationsFUJITSU LTD·Filed 1991·Granted Jun 15, 1993·28 cites·11 claims
- 0762US8879581B2Data transmitting device and data receiving deviceICHIKI ATSUSHI·Filed 2011·Granted Nov 4, 2014·1 cites·8 claims
- 0861US7930562B2Method of and apparatus for reproducing information, and security moduleFUJITSU LTD·Filed 2007·Granted Apr 19, 2011·0 cites·2 claims
- 0961US6175385B1Digital PLL circuit for MPED stream and MPEG decoder having the digital PLL circuitFUJITSU LTD·Filed 1997·Granted Jan 16, 2001·28 cites·36 claims
- 1060US4982179AComposite video signal generation method and deviceFU JITSU LIMITED·Filed 1989·Granted Jan 1, 1991·20 cites·14 claims
- 1159US4963817AMethod and apparatus for detecting a phase difference between two digital signalsFUJITSU LTD·Filed 1989·Granted Oct 16, 1990·17 cites·9 claims
- 1257US8055909B2Method of and apparatus for reproducing information, and security moduleFUJITSU LTD·Filed 2003·Granted Nov 8, 2011·2 cites·39 claims
- 1356US8046591B2Method of and apparatus for reproducing information, and security moduleFUJITSU LTD·Filed 2007·Granted Oct 25, 2011·0 cites·12 claims
- 1456US7873839B2Method of and apparatus for reproducing information, and security moduleFUJITSU LTD·Filed 2007·Granted Jan 18, 2011·0 cites·9 claims
- 1551US5043799AColor image display control apparatus with correction of phase difference in sampling clockFUJITSU LTD·Filed 1989·Granted Aug 27, 1991·12 cites·12 claims
- 1650US8306230B2Information processing apparatus playing encrypted content distributed through networkTAKAKUSU MASAKAZU·Filed 2007·Granted Nov 6, 2012·2 cites·2 claims
- 1750US7913094B2Information reproducing apparatus and secure moduleFUJITSU LTD·Filed 2002·Granted Mar 22, 2011·1 cites·32 claims
- 1850US7471806B2Method, apparatus and computer program for inserting a watermarking program into an image processing programFUJITSU LTD·Filed 2004·Granted Dec 30, 2008·3 cites·19 claims
- 1944US9152773B2Communication apparatus and secure module including function for disabling encrypted communicationKOHIYAMA KIYOSHI·Filed 2011·Granted Oct 6, 2015·0 cites·22 claims
- 2041US2017270308A1Security device and control methodFUJITSU LTD·Filed 2017·Application pending·0 cites
- 2141US2018316497A1Security apparatus and control methodFUJITSU LTD·Filed 2018·Application pending·0 cites
- 2241US2017228546A1Security system and communication methodFUJITSU LTD·Filed 2017·Application pending·0 cites
- 2340US10397203B2Reception device and reception methodFUJITSU LTD·Filed 2016·Granted Aug 27, 2019·0 cites·8 claims
- 2440US8769562B2Digital broadcast method, data receiving device, and data transmitting deviceKOBAYASHI SHUNSUKE·Filed 2011·Granted Jul 1, 2014·0 cites·7 claims
- 2539US10103884B2Information processing device and information processing methodFUJITSU LTD·Filed 2016·Granted Oct 16, 2018·0 cites·16 claims
- 2639US6658154B2Method and device for decoding moving pictureFUJITSU LTD·Filed 1999·Granted Dec 2, 2003·8 cites·28 claims
- 2735US2015195258A1Information processing apparatus and semiconductor apparatusFUJITSU LTD·Filed 2015·Application pending·0 cites
- 2830US6393542B1Electronic circuit system and interface circuit that compares read and write clock operationsFUJITSU LTD·Filed 1999·Granted May 21, 2002·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →