Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268512 | Catalyst and process for producing phenol | Jun Miki, Toshifumi Suzuki, Tsutomu Shikada, Yakudo Tachibana | 1993-12-07 |
| 5055612 | Process for the preparation of naphthalene carboxylic acids | Yakudo Tachibana, Masami Ono, Nobuhiro Takei, Jun Miki, Hiroaki Taniguchi +3 more | 1991-10-08 |
| 4992622 | Method of separating 2,6-diisopropylnaphthalene from a mixture containing diisopropylnaphthalene isomers | Yoshimi Shiroto, Mitsunori Shimura, Kenji Shimokawa, Yoshio Fukui, Yakudo Tachibana +1 more | 1991-02-12 |
| 4950824 | Process for the production of 2,6-diisopropylnaphthalene | Yoshimi Shiroto, Mitsunori Shimura, Kenji Shimokawa, Yoshio Fukui, Sachio Asaoka +4 more | 1990-08-21 |
| 4942257 | Method of manufacturing alkali metal salt of 2,3,6,7-naphthalenetetracarboxylic acid | Yakudo Tachibana, Toshifumi Suzuki, Kouji Chiba | 1990-07-17 |
| 4377483 | Method of removing dissolved heavy metals from aqueous waste liquids | Kasane Yamashita, Takao Ikehata, Keisuke Nakahara | 1983-03-22 |