Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665251 | PROCESSING AND MANUFACTURING METHOD OF A MASTER FOR OPTICAL DISK, THE MASTER FOR OPTICAL DISK, A MANUFACTURING METHOD OF AN OPTICAL DISK SUBSTRATE, THE OPTICAL DISK SUBSTRATE, AND A PROCESSING DEVICE OF A MASTER FOR OPTICAL DISK | Hiroyasu Kaseya | 2003-12-16 |
| 6602690 | Process for production of dihomo-&ggr;-linolenic acid and lipid containing same | Hiroshi Kawashima, Kengo Akimoto, Sakayu Shimizu | 2003-08-05 |
| 6522667 | Network interworking device for IP network / ATM network | Toshikane Oda | 2003-02-18 |
| 6515953 | Processing method of a master disc for optical discs and processing method of grooves | Akira Miyamae, Hidemichi Furihata | 2003-02-04 |