Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094497 | Tube with coupling | Katsumi Ogawa, Masayoshi Kaneko, Ryuma Kumo, Hideyuki Takeda | 2018-10-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094497 | Tube with coupling | Katsumi Ogawa, Masayoshi Kaneko, Ryuma Kumo, Hideyuki Takeda | 2018-10-09 |