Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556527 | Process for formation of multilayer film | Kazuo Igarashi, Kengo Takano, Hiroaki Saito, Yukio Hashizume, Tokio Suzuki +3 more | 1996-09-17 |
| 4336109 | Method for the recovery of acetone | Hirokazu Hosaka, Kenji Tanimoto, Kunihiko Tanaka, Katsuyuki Shiota, Yuji Ueda +1 more | 1982-06-22 |
| 4308110 | Process for separation and purification of dihydric phenols | Hirokazu Hosaka, Kunihiko Tanaka, Katsuyuki Shiota, Yuji Ueda | 1981-12-29 |