P

Inventor

WATANABE HIDEAKI

JP153 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

17 patents
US7644443B2Jan 5, 2010

Content distribution system, content distribution method, information processing apparatus, and program providing medium

SONY CORP74 citations98
US7484246B2Jan 27, 2009

Content distribution system, content distribution method, information processing apparatus, and program providing medium

SONY CORP64 citations98
US7152158B2Dec 19, 2006

Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage medium

SONY CORP71 citations98
US7059516B2Jun 13, 2006

Person authentication system, person authentication method, information processing apparatus, and program providing medium

SONY CORP83 citations98
US6990684B2Jan 24, 2006

Person authentication system, person authentication method and program providing medium

SONY CORP86 citations98
US7310732B2Dec 18, 2007

Content distribution system authenticating a user based on an identification certificate identified in a secure container

SONY CORP58 citations96
US7287158B2Oct 23, 2007

Person authentication system, person authentication method, information processing apparatus, and program providing medium

SONY CORP57 citations96
US7103778B2Sep 5, 2006

Information processing apparatus, information processing method, and program providing medium

SONY CORP54 citations96
US7516493B2Apr 7, 2009

Content distribution system, content distribution method, information processing apparatus, and program providing medium

SONY CORP29 citations92
US7243238B2Jul 10, 2007

Person authentication system, person authentication method, information processing apparatus, and program providing medium

SONY CORP22 citations92
US7184986B2Feb 27, 2007

Content transaction system and method, and program providing medium therefor

SONY CORP22 citations92
US7100044B2Aug 29, 2006

Public key certificate using system, public key certificate using method, information processing apparatus, and program providing medium

SONY CORP45 citations92
US7096363B2Aug 22, 2006

Person identification certificate link system, information processing apparatus, information processing method, and program providing medium

SONY CORP47 citations92
US6990583B2Jan 24, 2006

Public-key-encryption data-communication system and data-communication-system forming method

SONY CORP32 citations92
US7409554B2Aug 5, 2008

Data processing system, memory device, data processing unit, and data processing method and program

SONY CORP17 citations84
US7185193B2Feb 27, 2007

Person authentication system, person authentication method, and program providing medium

SONY CORP18 citations84
US7149894B2Dec 12, 2006

Public-key certificate issuance request processing system and public-key certificate issuance request processing method

SONY CORP11 citations84

FUJITSU LTD

8 patents

TDK CORP

3 patents

TEIJIN LTD

3 patents

NISSAN MOTOR

2 patents

EISAI CO LTD

2 patents

HITACHI LTD

2 patents

CANON KK

2 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

PANASONIC IP MAN CO LTD

1 patent

NEC CORP

1 patent

OMRON TATEISI ELECTRONICS CO

1 patent

USUI KOKUSAI SANGYO KK

1 patent

HITACHI MAXELL

1 patent

TOSHIBA KK

1 patent

FUKOKU KK

1 patent

SONY INTERACTIVE ENTERTAINMENT INC

1 patent

SUZUKI MOTOR CORP

1 patent

Showing the top 50 of 153 patents by PatentIndex Score.