Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623591 | Optical disc and method of manufacturing the same | Ryoko Kitano, Takafumi Sakamoto | 2003-09-23 |
| 6541574 | Golf ball with core and surrounding cover, and manufacturing method thereof | Kohei Takemura, Kazuhisa Fushihara, Seigou Sakagami | 2003-04-01 |