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USPTO Patent Rankings Data through Sept 30, 2025
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Hitoshi Ohkubo — 5 Patents in 2021

Tdk: 5 patents #22 of 488Top 5%
Overall (2021): #32,804 of 548,734Top 6%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11183320 Magnetic core and coil component Kyohei Tonoyama, Ken Satoh, Kentaro Saito, Miyuki Asai 2021-11-23
11049641 Coil device Kyohei Tonoyama, Shigeki Sato 2021-06-29
11043329 Coil component Masazumi Arata, Takahiro Kawahara, Hokuto EDA, Hiroki Tsujiai 2021-06-22
10998130 Coil component having resin walls Masazumi Arata, Manabu Ohta, Shou Kawadahara, Yoshihiro Maeda, Takahiro Kawahara +2 more 2021-05-04
10943719 Coil component Miyuki Asai, Hokuto EDA, Masazumi Arata 2021-03-09