Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Naoki Yamaguchi — 6 Patents in 2021

DCDwango Co.: 2 patents #7 of 21Top 35%
Kawasaki: 2 patents #55 of 353Top 20%
Kabushiki Kaisha Toshiba: 2 patents #430 of 1,215Top 40%
TCToyoda Gosei Co.: 1 patents #39 of 181Top 25%
Kiyosu, JP: #2 of 94 inventorsTop 3%
Overall (2021): #21,085 of 548,734Top 4%
6 Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11209911 Data replacement apparatus and program for head mounted display Nobuo Kawakami, Kentarou Matsui, Shinnosuke IWAKI, Takashi Kojima 2021-12-28
11212569 Content distribution server, virtual character providing server, content distribution system, content distribution method, and program Nobuo Kawakami, Kentarou Matsui, Shinnosuke IWAKI, Takashi Kojima 2021-12-28
11128245 Power supply system Yusuke Umezu, Kazushige Sugimoto, Soichiro BANDO, Kenichi Sakimoto, Kiyoshi Kimura +2 more 2021-09-21
11104235 Charging management system Hiroyuki Suzuki, Tsuyoshi Shimada, Norikazu Hosaka, Motohiro Takeuchi, Kenji Kojima 2021-08-31
11050068 Ion exchanger Kosuke Kusaba, Tatsuya Ojio 2021-06-29
10985560 Power supply system Yusuke Umezu, Kazushige Sugimoto, Soichiro BANDO, Kiyoshi Kimura, Suguru Takayama +1 more 2021-04-20