Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399681 | Colored thermoplastic resin composition and related arts thereof | Tohru Tsuruhara, Hiroshi Takeuchi | 2002-06-04 |
| 6395809 | Nigrosine compound, resin composition, molded product, crystallization temperature lowering, fluidity improving and surface gloss improving method | Tohru Turuhara | 2002-05-28 |