Iwahori; Shoichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Iwahori; Shoichi.The latest application filed is for "carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched".
- Iwahori; Shoichi - Otsu JP
| Patent | Date |
|---|---|
| Carbon adsorptive filter material with layers of reinforcing non woven fabrics needle punched Grant 4,181,513 - Fukuda , et al. January 1, 1 | 1980-01-01 |
| Process for preparing active carbon fibers Grant 3,969,268 - Fukuda , et al. July 13, 1 | 1976-07-13 |
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