Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025020 | Auxiliary float of floating structure and method for remodeling floating structure | Tetsuya Yasuda, Masanori Nemoto, Kozo Yokokura | 2011-09-27 |
| 6870128 | Laser boring method and system | Toshio Kobayashi, Eiji Kogure | 2005-03-22 |
| 6217258 | Dual hoist derrick system for deep sea drilling | Hiroyasu ISHIGURO | 2001-04-17 |
| 5930672 | Manufacture of semiconductor device having reliable and fine connection hole | — | 1999-07-27 |
| 5725072 | Speed change gear device with lubricating auxiliary vessel | Naoki Matsuo | 1998-03-10 |
| 4932311 | Fluid apparatus | Kazuo Mibu, Yoshihide Ohi | 1990-06-12 |