Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565129 | Polycarbonates, uses thereof, processes for preparing and purifying same | Masahide Tanaka, Tetsuo Hayashi, Takashi Hayashi, Kazunori Takahata | 1996-10-15 |
| 5476602 | Polycarbonates, uses thereof, processes for preparing and purifying same | Masahide Tanaka, Tetsuo Hayashi, Takashi Hayashi, Kazunori Takahata | 1995-12-19 |
| 5384056 | Polycarbonate and use thereof | Masahide Tanaka, Kazunori Takahata | 1995-01-24 |
| 5294356 | Polycarbonates, uses thereof, processes for preparing and purifying same | Masahide Tanaka, Yoshihisa Kiso, Kazunori Takahata, Tetsuo Hayashi, Kenji Shimamoto +2 more | 1994-03-15 |
| 4675307 | Alkali metal-supported catalyst | Katsuo Taniguchi, Kenji Saeki | 1987-06-23 |
| 4349419 | Process for separation of alkyl phenols by azeotropic distillation | Kazunori Takahata, Katsuo Taniguchi | 1982-09-14 |