Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184300 | Bowl-shaped polymer particles, aqueous dispersion of polymer particles, processes for producing these, and thermal recording material | Osamu Ishizu | 2001-02-06 |
| 5248746 | Method of producing polymers | Yasuo Tsunogae, Shin-ichiro Tahara, Masami Kitaoka, Yoshitsugu Hirokawa | 1993-09-28 |