Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11732347 | Standard mask apparatus and method of manufacturing standard mask apparatus | Hideyuki Okamoto, Chikao Ikenaga, Daigo Aoki | 2023-08-22 |
| 8656749 | Tube expanding method for heat exchanger tubes and tube expanding apparatus for heat exchanger tubes | — | 2014-02-25 |
| 8276261 | Tube expanding apparatus | — | 2012-10-02 |
| 6415506 | Method of manufacturing heat exchanger | Toshiki Miyazawa | 2002-07-09 |
| 6318145 | Tube expanding bullet and method of expanding tube | — | 2001-11-20 |
| 5806173 | Tube expander | Kensaku Honma | 1998-09-15 |
| 5027484 | Tension controller for warping machine and warping method | — | 1991-07-02 |