KK

Kenji Katsumata

HI Hitachi: 36 patents #629 of 28,497Top 3%
SO Sony: 14 patents #3,108 of 25,231Top 15%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
HC Hitachi Ulsi Systems Co.: 5 patents #151 of 867Top 20%
HC Hitachi Consumer Electronics Co.: 4 patents #57 of 447Top 15%
HI Hitachi Video Engineering, Incorporated: 3 patents #19 of 181Top 15%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
HS Hitachi Video And Information Systems: 2 patents #78 of 269Top 30%
FU Fujikura: 1 patents #788 of 1,407Top 60%
MC Makino Milling Machine Co.: 1 patents #91 of 184Top 50%
📍 Ibaraki, JP: #41 of 6,779 inventorsTop 1%
Overall (All Time): #31,484 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 1–25 of 67 patents

Patent #TitleCo-InventorsDate
D1061480 Speaker 2025-02-11
D1008209 Speaker Jun Komiyama 2023-12-19
11826866 Tool conveying device Yuji Sano 2023-11-28
10580586 Dye-sensitized photoelectric conversion element Ko Nishiwaki 2020-03-03
10537043 Electronic apparatus Michimasa Aoki, Yosuke Tsunoda, Keizou Takemura, Masumi Suzuki, Jie Wei 2020-01-14
D823278 Headphone Tomohiro Ito, Yosuke Nakamura, Shunsuke Shiomi, Hideto Yamamoto, Yusuke Otani 2018-07-17
9921002 Radiator and electronic device having the same Masumi Suzuki, Michimasa Aoki, Yosuke Tsunoda, Masaru Sugie, Shinichirou Kouno +1 more 2018-03-20
9717161 Board assembly including cooling system and electronic apparatus Jie Wei, Masumi Suzuki 2017-07-25
9696094 Cooling unit Michimasa Aoki, Masumi Suzuki, Yosuke Tsunoda, Masaru Sugie, Shinichirou Kouno +1 more 2017-07-04
9653380 Method for manufacturing component built-in substrate Makoto Suwada, Mitsutaka Yamada, Masumi Suzuki, Michimasa Aoki, Keizou Takemura +2 more 2017-05-16
9532101 Digital broadcast receiver unit Satoru Takashimizu, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda, Shuko Sei 2016-12-27
9406586 Cooling jacket and electronic device having the same Masumi Suzuki, Michimasa Aoki, Yosuke Tsunoda, Masaru Sugie, Shinichirou Kouno +1 more 2016-08-02
8913197 Digital broadcast receiver unit Satoru Takashimizu, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda, Shuko Sei 2014-12-16
D701195 Earphone 2014-03-18
8634416 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Takumi Okamura, Takuya Matsumoto, Shuko Sei +1 more 2014-01-21
D695261 Headphone 2013-12-10
8605437 Cooling apparatus and electronic equipment Jie Wei, Keizou Takemura 2013-12-10
8345168 Digital broadcast receiver unit Satoru Takashimizu, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda, Shuko Sei 2013-01-01
D669450 Headphone 2012-10-23
D666565 Television receiver Daigaku Kumano, Hiroaki Yokota, Yusuke Otani, Koji Shindo 2012-09-04
D664113 Headphone Daisuke Iseki 2012-07-24
7974316 Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof Satoru Takashimizu, Yuji Yamamoto, Takumi Okamura, Takuya Matsumoto, Shuko Sei +1 more 2011-07-05
7889281 Digital broadcast receiver unit Satoru Takashimizu, Yuji Yamamoto, Satoshi Iimuro, Takanori Eda, Shuko Sei 2011-02-15
7643089 Decoder device and receiver using the same Masuo Oku, Hironori Komi, Keisuke Inata, Ryosuke Toya, Shigeru Komatsu +4 more 2010-01-05
7620757 Contents transfer system and terminal Koichiro Nakamura, Naoki Otomo, Hitoshi Suzuki, Masanori Yoshino, Yoshihiro Hayashi +1 more 2009-11-17