Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856386 | Process for crystal nucleation of crystalline thermoplastic resin | Hideki Sakai, Mikio Nakagawa, Tetsuji Kasai, Kimio Ueda, Masao Maeda +3 more | 1999-01-05 |
| 5606016 | Process for preparing colorless rosins | Masao Maeda, Yutaka Koba | 1997-02-25 |
| 5395920 | Process for preparing rosin and colorless rosin comprising disproportionation and dehydrogenation | Masao Maeda, Yutaka Koba | 1995-03-07 |
| 5387669 | Process for preparing rosin ester and colorless rosin | Masao Maeda, Yutaka Koba | 1995-02-07 |