Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338552 | Composite fiber | Shoji ONOGI, Takayuki Ikeda, Hitoshi Nakatsuka | 2025-06-24 |
| 11473218 | Modified ethylene-vinyl alcohol copolymer fibers | Shoji ONOGI, Hitoshi Nakatsuka, Takayuki Ikeda | 2022-10-18 |
| 9752258 | Cationic-dyeable polyester fiber and conjugated fiber | Hitoshi Nakatsuka, Kazuhiko Tanaka, Kazuhide Oka, Daisuke OHGA | 2017-09-05 |