Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465399 | Artificial reef assembly construction and a method | Kenji Kikuzawa | 1984-08-14 |
| 4439059 | Artificial reef unit | Kenji Kikuzawa | 1984-03-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465399 | Artificial reef assembly construction and a method | Kenji Kikuzawa | 1984-08-14 |
| 4439059 | Artificial reef unit | Kenji Kikuzawa | 1984-03-27 |