Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263601 | Angle calibration method | — | 2025-04-01 |
| 5905177 | Method for producing 1,2-dichloroethane | Ikuya Seo | 1999-05-18 |
| 5189209 | Process for producing highly pure isophthalic acid | Tazuo Ohta, Kazuo Tanaka, Fumio Ohgoshi, Ichihei Motoyama | 1993-02-23 |
| 5132450 | Process for producing high purity isophthalic acid | Kazuo Tanaka, Fumio Okoshi, Ichihei Motoyama, Tazuo Ohta, Toshiaki Abe | 1992-07-21 |