Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540825 | Method for producing 2-cyclopentenones | Kunihiko Tanaka, Masayoshi Minai | 1985-09-10 |
| 4336109 | Method for the recovery of acetone | Hirokazu Hosaka, Kenji Tanimoto, Kunihiko Tanaka, Toshiharu Morita, Yuji Ueda +1 more | 1982-06-22 |
| 4308110 | Process for separation and purification of dihydric phenols | Hirokazu Hosaka, Kunihiko Tanaka, Toshiharu Morita, Yuji Ueda | 1981-12-29 |