Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978016 | Crystal oscillator | — | 2011-07-12 |
| 7740433 | Waterproof structure for portion where members are tightened with screw | Sachiyo Miyoshi | 2010-06-22 |
| 7288741 | Arc welder | Seigo Nishikawa, Seiichiro Fukushima, Tsuneo Shinada | 2007-10-30 |
| 4240788 | Intermittent top firing tunnel kiln equipped with a burner having a ceramic air nozzle | Akio Syukuya | 1980-12-23 |