Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253181 | Reflector for LED and light-emitting device equipped with same | Kozo Tamura, Ryu Kohase | 2019-04-09 |
| 7009029 | Polyamide composition | Hideaki Oka, Toru Kuki | 2006-03-07 |
| 6818731 | Polyamide resin composition | Hideaki Oka, Koichi Uchida, Masahide Tsuzuki, Koji Beppu | 2004-11-16 |
| 6414064 | Polyamide resin composition | Hideaki Oka, Shigeru Sasaki | 2002-07-02 |