Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168253 | Method of manufacturing ring-rolled element | Kazuya MUSHA, Yuji Ishiwari, Momoko Oji | 2024-12-17 |
| 11208910 | Ring molded article manufacturing method and ring material | Masayuki Watanabe, Hideo Takizawa | 2021-12-28 |
| 10519795 | Ring molded article manufacturing method and ring material | Masayuki Watanabe, Hideo Takizawa | 2019-12-31 |
| 9592547 | Method of manufacturing annular molding | Hideo Takizawa, Yuji Ishiwari, Hiroaki Kikuchi | 2017-03-14 |
| 8187532 | Ring-shaped disk for gas turbine | Akira Mitsuhashi, Takanori Matsui, Yuji Ishiwari | 2012-05-29 |