Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954750 | Reel and recording tape cartridge | Ren Ishikawa, Shigeru Nishiyama | 2011-06-07 |
| 7918412 | Recording tape cartridge | Kenji Takenoshita, Shozo Onmori | 2011-04-05 |
| 7887318 | Mold assembly for molding tapered flange | Seiji Tsuyuki, Shozo Onmori | 2011-02-15 |