Inventor
KOHIYAMA KIYOSHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KOHIYAMA KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
17 patentsUS5787179AJul 28, 1998
Scrambling and descrambling of data with improved security
FUJITSU LTD68 citations94
US5867219AFeb 2, 1999
Image processing device using high frequency component suppression
FUJITSU LTD39 citations92
US5621741AApr 15, 1997
Method and apparatus for testing terminal connections of semiconductor integrated circuits
FUJITSU LTD30 citations92
US5220529AJun 15, 1993
One-chip first-in first-out memory device having matched write and read operations
FUJITSU LTD28 citations92
US6175385B1Jan 16, 2001
Digital PLL circuit for MPED stream and MPEG decoder having the digital PLL circuit
FUJITSU LTD28 citations90
US4963817AOct 16, 1990
Method and apparatus for detecting a phase difference between two digital signals
FUJITSU LTD17 citations73
US6658154B2Dec 2, 2003
Method and device for decoding moving picture
FUJITSU LTD8 citations71
US5043799AAug 27, 1991
Color image display control apparatus with correction of phase difference in sampling clock
FUJITSU LTD12 citations70
US6393542B1May 21, 2002
Electronic circuit system and interface circuit that compares read and write clock operations
FUJITSU LTD2 citations62
US8055909B2Nov 8, 2011
Method of and apparatus for reproducing information, and security module
FUJITSU LTD2 citations61
US7471806B2Dec 30, 2008
Method, apparatus and computer program for inserting a watermarking program into an image processing program
FUJITSU LTD3 citations54
US7913094B2Mar 22, 2011
Information reproducing apparatus and secure module
FUJITSU LTD1 citations52
US8046591B2Oct 25, 2011
Method of and apparatus for reproducing information, and security module
FUJITSU LTD0 citations51
US7930562B2Apr 19, 2011
Method of and apparatus for reproducing information, and security module
FUJITSU LTD0 citations51
US7873839B2Jan 18, 2011
Method of and apparatus for reproducing information, and security module
FUJITSU LTD0 citations51
US10397203B2Aug 27, 2019
Reception device and reception method
FUJITSU LTD0 citations41
US10103884B2Oct 16, 2018
Information processing device and information processing method
FUJITSU LTD0 citations41
KOHIYAMA KIYOSHI
3 patentsUS8984272B2Mar 17, 2015
Information processing apparatus, secure module, information processing method, and computer product
KOHIYAMA KIYOSHI8 citations78
US9177117B2Nov 3, 2015
Secure module and information processing apparatus
KOHIYAMA KIYOSHI6 citations69
US9152773B2Oct 6, 2015
Communication apparatus and secure module including function for disabling encrypted communication
KOHIYAMA KIYOSHI0 citations39