Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855739 | Marine autopilot apparatus | Isao Masuzawa, Nakayasu Hirono | 1989-08-08 |
| 4811679 | Marine automatic steering apparatus | Isao Masuzawa, Mitsuo Nakayama, Koichi Nishimura | 1989-03-14 |
| 4766834 | Marine automatic steering apparatus | Isao Masuzawa, Kanshi Yamamoto, Mitsuo Watanabe, Hidemitsu Yamada | 1988-08-30 |