Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5863011 | Core securing device in web winding apparatus | Keizo Narita, Hirokazu Kano, Tomoyuki NOMURA | 1999-01-26 |
| 5653400 | Winding apparatus | Keizo Narita, Masayuki Hatanaka | 1997-08-05 |