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Yuna Yamamoto

Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #1,730,937 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12386278 Toner and method for producing toner Shohei Shibahara, Kenji Aoki, Tsutomu Shimano, Takashi Matsui, Takayuki Toyoda 2025-08-12
11448980 Toner Takashi Matsui, Noritaka Toyoizumi, Tsutomu Shimano, Kenji Aoki, Shohei Shibahara 2022-09-20