Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634373 | Bisphenol composition and method for producing same, and polycarbonate resin and method for producing same | Kei Uchiyama, Kazuhisa Hatakeyama, Makoto Nakamura, Michitaka Ise | 2023-04-25 |
| 11183329 | Reactor and method for producing the same | Takayuki Yamaguchi | 2021-11-23 |
| 5900482 | Process for the preparation of .epsilon.-caprolactam | Kouji Teramoto, Yu Kanda, Makoto Tezuka, Hidefumi Sano | 1999-05-04 |
| 5865958 | Method for separating cyclohexene | Yu Kanda, Takeshi Ishikawa, Akio Tsuboi | 1999-02-02 |