Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294119 | Zinc ferrite film and method for manufacturing zinc ferrite film | Yuji Tanaka, Tomoki Kobayashi | 2019-05-21 |
| 5985152 | Method of preventing corrosion in a water system | Hideo Otaka | 1999-11-16 |