Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264239 | Chlorinated vinyl chloride-based resin | Mitsuo Matsumoto, Ryota Yamasugi, Yasunari Kusaka | 2025-04-01 |
| 12252577 | Chlorinated vinyl chloride resin | Ryota Yamasugi, Mitsuo Matsumoto, Yasunari Kusaka | 2025-03-18 |
| 12110385 | Chlorinated vinyl chloride resin | Kenichi Matsumura, Norikazu Mashino, Kento Murakami, Yasunari Kusaka, Takehisa Sugaya +1 more | 2024-10-08 |
| 12104051 | Chlorinated vinyl chloride-based resin | Kenichi Matsumura, Norikazu Mashino, Kento Murakami, Yasunari Kusaka, Takehisa Sugaya +1 more | 2024-10-01 |
| 12084552 | Poly(vinyl alcohol) film and production method for polarizing film | Yohei Nishimura, Yasunari Kusaka | 2024-09-10 |
| 12084526 | Vinyl alcohol polymer and method for producing vinyl alcohol polymer | Yohei Nishimura, Junichi Niino, Yasunari Kusaka, Hidehiro Yamaguchi | 2024-09-10 |
| 12031000 | Poly(vinyl alcohol) film and production method for polarizing film | Yohei Nishimura, Yasunari Kusaka | 2024-07-09 |
| 11947144 | Poly(vinyl alcohol) film and production method for polarizing film | Yohei Nishimura, Yasunari Kusaka | 2024-04-02 |
| 11859063 | Poly(vinyl alcohol) film and production method for polarizing film | Yohei Nishimura, Yasunari Kusaka | 2024-01-02 |
| 10647791 | Polyvinyl alcohol used as dispersing agents for polyvinyl chloride suspension polymerization, dispersing agents comprising the polyvinyl alcohol, and method for producing polyvinyl chloride using the polyvinyl alcohol | Yohei Nishimura, Yasunari Kusaka, Hidehiro Yamaguchi | 2020-05-12 |