Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9994944 | Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold-forged/nitrided component | Hideki Imataka, Yusuke Usui, Yuya Gyotoku | 2018-06-12 |
| 9777354 | Case hardening steel material | Hideki Imataka, Gen Kato, Mitsuru Fujimoto | 2017-10-03 |
| 9718256 | Steel material for nitriding and nitrided component | Yuya Gyotoku, Hideki Imataka, Kosuke Tanaka | 2017-08-01 |
| 9574256 | Steel for cold forging/nitriding, steel material for cold forging/nitriding, and cold-forged/nitrided component | Hideki Imataka, Yuya Gyotoku, Kosuke Tanaka | 2017-02-21 |
| 9410232 | Method for producing steel component | Hideki Imataka, Masaomi Nakaoka, Akihito NINOMIYA, Yoshinari Okada | 2016-08-09 |
| 9200354 | Rolled steel bar or wire for hot forging | Yoshihiro Daitoh, Hideki Imataka, Akira Shiga | 2015-12-01 |
| 9062364 | Method for producing carbonitrided member | Naoyuki Sano, Yoshinari Okada, Masaki Amano, Akihito NINOMIYA | 2015-06-23 |
| 4194977 | Expressing plate for use in filter press | Shin Kubota | 1980-03-25 |