Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D824439 | Wire feeding apparatus for welding | Ryuji Tanaka, Junichi Wakita, Yukiya Morita, Hisao Miyahara, Gen Tsujii | 2018-07-31 |
| D778331 | Wire feeding apparatus for welding | Ryuji Tanaka, Junichi Wakita, Yukiya Morita, Hisao Miyahara, Gen Tsujii | 2017-02-07 |
| D777231 | Wire feeding apparatus for welding | Ryuji Tanaka, Junichi Wakita, Yukiya Morita, Hisao Miyahara, Gen Tsujii | 2017-01-24 |