Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
YK

Yasunari Kusaka

SC Sekisui Chemical Co.: 5 patents #1 of 99Top 2%
TC Tokuyama Sekisui Co.: 2 patents #1 of 4Top 25%
Overall (2025): #19,017 of 469,880Top 5%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12351672 Chlorinated vinyl-chloride-based resin Kento Murakami, Norikazu Mashino, Isao Higuchi 2025-07-08
12297312 Chlorinated vinyl chloride-based resin Kenichi Matsumura, Nozomi Eguchi, Isao Higuchi 2025-05-13
12264239 Chlorinated vinyl chloride-based resin Mitsuo Matsumoto, Ryota Yamasugi, Nami Nakajima 2025-04-01
12252577 Chlorinated vinyl chloride resin Ryota Yamasugi, Mitsuo Matsumoto, Nami Nakajima 2025-03-18
12187883 Chlorinated vinyl chloride resin Kento Murakami, Norikazu Mashino, Isao Higuchi 2025-01-07