Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962088 | Imitation trees | Tamotu Tanaka | 1999-10-05 |
| 4197623 | Factory barge for manufacturing reinforced elongated concrete products | Toshimasa Suzuki, Chiaki Matsuyama, Susumu Ogawa, Yoshitaka Itoh | 1980-04-15 |