Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141805 | Cushion material and method for preparation thereof | Yugoro Masuda | 1992-08-25 |
| 4929431 | Process for producing amorphous aluminosilicates | Zenji Hagiwara, Satoshi Ando | 1990-05-29 |
| 4911898 | Zeolite particles retaining silver ions having antibacterial properties | Zenji Hagiwara, Shigetaka Hoshino, Hiroo Ishino, Kenichi Tagawa, Keio Yamanaka | 1990-03-27 |
| 4911899 | Zeolite particles having bacteriocidal properties | Zenji Hagiwara, Shigetaka Hoshino, Hiroo Ishino, Kenichi Tagawa, Keio Yamanaka | 1990-03-27 |
| 4775585 | Polymer article having an antibacterial property containing zeolite particles therein and the processes for producing same | Zenji Hagiwara, Shigetaka Hoshino, Hiroo Ishino, Kenichi Tagawa, Keio Yamanaka | 1988-10-04 |
| 4525410 | Particle-packed fiber article having antibacterial property | Zenji Hagiwara, Hideo Ohki, Shigetaka Hoshino, Shunya Ida, Kenichi Tagawa | 1985-06-25 |