Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647820 | Device for detecting leakage of liquid in tank | Atsushi Koike | 2010-01-19 |
| 7536900 | Leak detector and leak detecting system using the same | Toshimi Nakamura, Kiyoshi Yamagishi, Atsushi Koike | 2009-05-26 |
| 7334455 | Leak detector of liquid in tank | Atsushi Koike, Toshimi Nakamura, Kiyoshi Yamagishi, Hideshi Sekimori | 2008-02-26 |
| 6334905 | Unleaded solder powder and production method therefor | Kenzo Hanawa | 2002-01-01 |