Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HK

Hajime Kato — 6 Patents in 2021

Tdk: 2 patents #101 of 488Top 25%
YAYazaki: 2 patents #99 of 449Top 25%
Toyota: 2 patents #684 of 3,956Top 20%
TLToyota Central R&D Labs: 1 patents #14 of 89Top 20%
Overall (2021): #23,376 of 548,734Top 5%
6 Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11211192 Laminated coil component Yuto SHIGA, Kazuya TOBITA, Youichi KAZUTA, Yuya ISHIMA, Satoru Okamoto +1 more 2021-12-28
11190000 Waterproof structure Hayato Iizuka, Yusuke Tsutagawa, Kazuma Kayo, Akihiro Saito, Kai Kiuchi 2021-11-30
11091821 Copper-based alloy Minoru Kawasaki, Natsuki Sugiyama, Hisao Fukuhara, Tadashi Oshima, Kouji Tanaka +1 more 2021-08-17
10961607 Hardfacing alloy and hardfacing member Tadashi Oshima, Kouji Tanaka, Takashi Saito, Natsuki Sugiyama, Minoru Kawasaki +4 more 2021-03-30
10897105 Connector with an annular shaped megnetic core Hayato Iizuka, Kazuma Kayo 2021-01-19
10886057 Electronic component Shunji Aoki, Yuya ISHIMA, Makoto Takahashi, Shougo Okamoto, Takafumi Takahashi +1 more 2021-01-05