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USPTO Patent Rankings Data through Sept 30, 2025
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Tooru Matsui — 2 Patents in 2021

Panasonic: 2 patents #428 of 2,466Top 20%
Overall (2021): #103,734 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11031584 Lithium secondary battery including lithium metal as negative electrode active material Junichi Sakamoto, Kazuko Asano, Akira Kano, Kensuke Nakura 2021-06-08
11018332 Lithium secondary battery including lithium metal as negative electrode active material Junichi Sakamoto, Kazuko Asano, Akira Kano, Kensuke Nakura 2021-05-25