Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469799 | Liquid cargo transport ship having double-hull structure | Kiyoshi Iwai, Kimio Kondo, Yoshiaki Sezaki, Masatoshi Fukata, Eiji Hashimoto | 1995-11-28 |
| 4660491 | Double hull ship without reinforcing transverse members between the inner and outer hull platings | Seiichiro Murata, Masaru Tateishi, Sakito Kamei, Hiroshi Nakazono, Yoshiro Yamawaki | 1987-04-28 |
| 4548154 | Double hulled ship with longitudinal reinforcements | Seiichiro Murata, Sakito Kamei, Yoshitada Hiramatsu, Shin Takeuchi, Yoshiro Yamawaki | 1985-10-22 |