Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821355 | Method of manufacturing rectangular tube having stepped portion | Ryuji Tanoue, Hirokazu Sasaki, Naofumi Nakamura | 2017-11-21 |
| 9757789 | Method of manufacturing rectangular tube having stepped portion | Ryuji Tanoue, Hirokazu Sasaki, Naofumi Nakamura | 2017-09-12 |
| 9744580 | Ironing mold and formed material manufacturing method | Naofumi Nakamura, Yudai Yamamoto | 2017-08-29 |
| 9669440 | Formed material manufacturing method and formed material | Naofumi Nakamura, Yudai Yamamoto | 2017-06-06 |