Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954750 | Reel and recording tape cartridge | Yosuke Sumiya, Shigeru Nishiyama | 2011-06-07 |
| 7913946 | Insert body, reel, and recording tape cartridge | Kazuo Hiraguchi, Yasuhiro Mori | 2011-03-29 |
| 7881013 | Recording tape cartridge | Minoru Sueki | 2011-02-01 |