Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryota Tsukidate — 21 Patents

Panasonic: 11 patents #2,338 of 21,108Top 15%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Tokyo, JP: #7,076 of 90,295 inventorsTop 8%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Ryota Tsukidate has been granted 21 US patents while listed as an inventor at Panasonic. The first was granted in 1998 and the most recent in June 2017. Ryota Tsukidate ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Ryota Tsukidate in Tokyo, JP.

Patents per Year

Patents granted per year, 1998 to 2017Bar chart with a peak of 5 patents in 2014.peak 51998: 1 patents19982000: 1 patents2001: 2 patents20012002: 1 patents2003: 2 patents20032004: 1 patents2007: 1 patents20072008: 1 patents2010: 1 patents20102013: 1 patents2014: 5 patents20142015: 3 patents2017: 1 patents2017

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE46451 Program information broadcasting system, broadcasting device, and receiving terminal unit Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2017-06-20
9183437 Area search device and area search method Keiji Icho, Yuichi Kobayakawa 2015-11-10
9098385 Content managing apparatus, content managing method, content managing program, and integrated circuit Ryuji Inoue 2015-08-04
9059882 Information presentation control device and information presentation control method 2015-06-16
8885942 Object mapping device, method of mapping object, program and recording medium 2014-11-11
RE45089 Program information broadcasting system, broadcasting device, and receiving terminal unit Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2014-08-19
RE44991 Program information broadcasting system, broadcasting device, and receiving terminal unit Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2014-07-01
RE44970 Program information broadcasting system, broadcasting device, and receiving terminal unit Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2014-06-24
8725718 Content management apparatus, content management method, content management program, and integrated circuit Ryuji Inoue 2014-05-13
8505072 Network apparatus, assessment method, program, and integrated circuit 2013-08-06
RE41257 Program information broadcasting system, broadcasting device, and receiving terminal unit Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2010-04-20
7471876 Terminal device for recording broadcast information and/or playing video and/audio data 2008-12-30 $292,000
7299275 Content delivery system for dynamically and optimally relocates contents to archive server, edge servers and terminal storage devices based on users' viewing tendency Hirohito Kitatora 2007-11-20 $363,000
6714722 Multimedia recorder with enhanced EPG-related functions 2004-03-30 $307,000
6507950 Program information broadcasting system, broadcasting device, and receiving terminal unit Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2003-01-14 $437,000
6505347 Control information generating apparatus for broadcast system Shigeki Kaneko, Yoshiyasu Takeuchi, Takeshi Nagao, Hiroyoshi Ishibashi, Masaaki Yoshikawa +3 more 2003-01-07 $241,000
6414720 Digital broadcasting system using virtual channels Kenichi Fujita, Shigeki Kaneko, Yoshiyasu Takeuchi 2002-07-02 $257,000
6271893 Digital television broadcasting system Toru Kawaguchi, Yoshiyasu Takeuchi 2001-08-07 $125,000
6262721 Service supply apparatus for supplying a service of a broadcasting program with attribute information of the program Yoshiyasu Takeuchi, Kazuhiro Machida, Takenosuke Harada, Shigeki Kaneko, Kenichi Fujita +1 more 2001-07-17 $138,000
6035304 System for storing and playing a multimedia application adding variety of services specific thereto Kazuhiro Machida, Takenosuke Harada, Shigeki Kaneko, Yoshiyasu Takeuchi, Kenichi Fujita 2000-03-07 $563,000
5721583 Interactive television system for implementing electronic polling or providing user-requested services based on identification of users or of remote control apparatuses which are employed by respective users to communicate with the system Takenosuke Harada 1998-02-24 $297,000