Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337940 | Usage management system for ship propulsion apparatus, ship propulsion apparatus, user terminal device, and usage rights management server | Hiroshi Inoue | 2025-06-24 |
| 8544440 | Marine vessel propulsion device | — | 2013-10-01 |
| 8118011 | Marine vessel propulsion device | — | 2012-02-21 |
| 6537028 | Diffuser arrangement for centrifugal compressors | Masahiko Izumi | 2003-03-25 |
| 4677514 | Straddle type magnetic head | — | 1987-06-30 |
| 4650712 | Magnetic head for digital signals | — | 1987-03-17 |