Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063945 | Tobacco filter stock | Taizo Sugihara, Kiyonori Shiiba | 1991-11-12 |
| 4469540 | Process for producing a highly bulky nonwoven fabric | Yasuhiko Furukawa, Taizo Sugihara | 1984-09-04 |
| 4270962 | Process and apparatus for the preparation of bar form fibrous molding | Taizo Sugihara | 1981-06-02 |