Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234682 | Ball valve and method for production thereof | Chikashi Gomi | 2007-06-26 |
| 6916011 | Ball valve and production method therefor | Chikashi Gomi | 2005-07-12 |
| D459787 | Ball valve | Chikashi Gomi | 2002-07-02 |