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USPTO Patent Rankings Data through Sept 30, 2025
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Izuru Kashima — 3 Patents in 2021

AGAgc: 3 patents #15 of 295Top 6%
Overall (2021): #79,891 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11198642 Production method of chemically strengthened glass, and chemically strengthened glass Kaname SEKIYA, Akio SHIZUKAI, Yositeru Ikeda, Shogo Sueda 2021-12-14
11028013 Chemically strengthened glass and method for producing the same Masao Ozeki, Shusaku Akiba 2021-06-08
10927039 Chemically strengthened glass and production method for chemically strengthened glass Yusuke Fujiwara, Kiyoshi Tamai, Yuichi Suzuki, Yoichi SERA, Daisuke Kobayashi 2021-02-23