Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353519 | Vacuum drying equipment | Shinichi Ito | 1994-10-11 |
| 4915616 | System utilizing gas flame for appreciation or ornamentation | Shinichi Ito | 1990-04-10 |
| 4371569 | Method for reinforcing and repairing piping | Natsuo Muta | 1983-02-01 |
| 4308824 | Apparatus for reinforcing and repairing piping | Natsuo Muta | 1982-01-05 |