Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808835 | Power generation cassette type power plant for marine electric propulsion and a controller thereof | Masanari Tsuji, Yuji Tani, Akira Zaitsu, Kojiro Shimamoto, Masaaki Hashii +2 more | 1989-02-28 |