Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470381 | Electroless gold plating solution | Masaru Kato, Yutaka Yazawa | 1995-11-28 |
| 4911898 | Zeolite particles retaining silver ions having antibacterial properties | Zenji Hagiwara, Hiroo Ishino, Saburo Nohara, Kenichi Tagawa, Keio Yamanaka | 1990-03-27 |
| 4911899 | Zeolite particles having bacteriocidal properties | Zenji Hagiwara, Hiroo Ishino, Saburo Nohara, 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, Hiroo Ishino, Saburo Nohara, Kenichi Tagawa, Keio Yamanaka | 1988-10-04 |
| 4525410 | Particle-packed fiber article having antibacterial property | Zenji Hagiwara, Hideo Ohki, Saburo Nohara, Shunya Ida, Kenichi Tagawa | 1985-06-25 |