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

Shoji Iiyama

TO Tokuyama: 2 patents #9 of 60Top 15%
Overall (2025): #87,172 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12404172 Hydrogen chloride dehydration method Junya Sakai 2025-09-02
12221352 Chlorosilane producing method Katsuya Ogihara, Kunihiko Matsumura 2025-02-11