Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12318828 | Wire drawing die | Kohei Kuramoto, Takuya Kinoshita, Yutaka Kobayashi, Kohichiroh KIMURA, Kentaro Shiro | 2025-06-03 |
| 11072008 | Wear-resistant tool | Hitoshi Sumiya, Takeshi Sato, Bunya Suemitsu | 2021-07-27 |
| 11007558 | Diamond die | Bunya Suemitsu, Takuya Kinoshita, Shigetoshi Sumimoto, Yutaka Kobayashi, Akihiko Ueda +3 more | 2021-05-18 |
| 9061336 | Wire drawing die | Hitoshi Sumiya | 2015-06-23 |