Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422062 | Method of manufacturing deodorizing filter | Naokazu Takeuchi, Hiroshi Isozaki | 1995-06-06 |
| 5372788 | Deodorizing filter | Naokazu Takeuchi, Hiroshi Isozaki | 1994-12-13 |
| 5280054 | Coating composition for use in hydrophilic treatment comprising an organic-inorganic composite reaction product | Shigeo Sakai, Naokazu Takeuchi, Masateru Hayashi, Hiroshi Inoue, Hiromi Harakawa | 1994-01-18 |