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USPTO Patent Rankings Data through Dec 31, 2025
Home › Hitachi › Shuko Sei
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Shuko Sei — 14 Patents

Hitachi: 8 patents #5,193 of 28,497Top 20%
HCHitachi Consumer Electronics Co.: 4 patents #57 of 447Top 15%
HMHitachi Maxell: 2 patents #441 of 1,211Top 40%
Yokohama, JP: #7,549 of 49,234 inventorsTop 20%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Shuko Sei has been granted 14 US patents while listed as an inventor at Hitachi. The first was granted in 2001 and the most recent in December 2016. Shuko Sei ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Shuko Sei in Yokohama, JP.

Patents per Year

Patents granted per year, 2001 to 2016Bar chart with a peak of 2 patents in 2004.peak 22001: 1 patents20012003: 1 patents20032004: 2 patents20042006: 1 patents20062007: 2 patents20072008: 1 patents20082011: 2 patents20112013: 1 patents20132014: 2 patents20142016: 1 patents2016

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9532101 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2016-12-27
8913197 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2014-12-16
8634416 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2014-01-21
8345168 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2013-01-01
7974316 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2011-07-05 $201,000
7889281 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2011-02-15 $114,000
7436458 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2008-10-14 $133,000
7283570 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2007-10-16 $217,000
7173674 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2007-02-06 $210,000
7123631 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2006-10-17 $111,000
6826202 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2004-11-30 $210,000
6813283 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2004-11-02 $269,000
6549243 Digital broadcast receiver unit Satoru Takashimizu, Kenji Katsumata, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda 2003-04-15 $98,000
6185228 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Kenji Katsumata, Takumi Okamura, Takuya Matsumoto +1 more 2001-02-06 $387,000

Frequent Collaborators

Yuji Yamamoto14 shared
Satoru Takashimizu14 shared
Kenji Katsumata14 shared
Satoshi Iimuro7 shared
Takanori Eda7 shared
Yuji Hatanaka7 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14