P

Inventor

SHIMIZU SHUICHI

US60 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU SHUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

22 patents
US6005936ADec 21, 1999

System for embedding authentication information into an image and an image alteration detecting system

IBM238 citations99
US6512835B1Jan 28, 2003

Data hiding and extraction methods

IBM80 citations98
US6490681B1Dec 3, 2002

Electronic watermarking system

IBM87 citations98
US6370272B1Apr 9, 2002

Multiple frame data hiding method and data detection method

IBM144 citations98
US6249870B1Jun 19, 2001

Data hiding method and data extraction method using statistical examination

IBM126 citations98
US6230268B1May 8, 2001

Data control system

IBM150 citations98
US5497452AMar 5, 1996

Method and apparatus for generating a geometric model

IBM123 citations98
US6055321AApr 25, 2000

System and method for hiding and extracting message data in multimedia data

IBM66 citations96
US6526385B1Feb 25, 2003

System for embedding additional information in audio data

IBM81 citations94
US6304966B1Oct 16, 2001

Data hiding method and system using statistical properties

IBM34 citations93
US7660991B2Feb 9, 2010

Embedding, processing and detection of digital content, information and data

IBM42 citations92
US6782509B1Aug 24, 2004

Method and system for embedding information in document

IBM46 citations92
US6671386B1Dec 30, 2003

Geometrical transformation identifying system

IBM65 citations91
US7809850B2Oct 5, 2010

Digital content delivery system, digital content delivery method, program for executing the method, computer readable recording medium storing thereon the program, and server and client for it

IBM9 citations84
US6971012B1Nov 29, 2005

Motion picture electronic watermark system

IBM15 citations84
US6785398B1Aug 31, 2004

Motion picture electronic watermark system

IBM17 citations84
US7295615B1Nov 13, 2007

System for embedding additional information in video data, and embedding method

IBM7 citations74
US6078330AJun 20, 2000

Solid model construction method and apparatus

IBM8 citations74
US10331961B2Jun 25, 2019

Detecting device, detecting method, and program

IBM1 citations73
US7502863B2Mar 10, 2009

Method of distributing stream data and system thereof

IBM4 citations60
US10339397B2Jul 2, 2019

Detecting device, detecting method, and program

IBM0 citations52
US10331962B2Jun 25, 2019

Detecting device, detecting method, and program

IBM0 citations52

TS TECH CO LTD

10 patents

HITACHI LTD

3 patents

SHIMIZU SHUICHI

3 patents

NISSIN KOGYO KK

3 patents

ASAHI OPTICAL CO LTD

2 patents

KAJITANI KOICHI

2 patents

MIYAMOTO KOHTAROH

1 patent

HITACHI CAR ENG CO LTD

1 patent

KAMIJO KOICHI

1 patent

ISHIZAKI KAZUAKI

1 patent

KOMATSU HIDEAKI

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.