Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218503 | Energy system and energy transfer adjustment method | Hideyuki Chisaka | 2025-02-04 |
| 6238208 | Method and apparatus for cooling furnace | Masaharu Yoshida | 2001-05-29 |
| 6074493 | Method of continuously carburizing metal strip | Koushi Kuramoto, Nobuaki Hanazono, Jun Morozumi, Susumu Satoh, Susumu Okada | 2000-06-13 |
| 6007761 | Heat treating furnace for a continously supplied metal strip | Kenta Karube, Hiroshi Okamoto, Toshiyuki Iwatani, Sakae Mochizuki, Yoshiharu Fujiwara | 1999-12-28 |
| 5957684 | Heating method and apparatus | — | 1999-09-28 |
| 5700420 | Non-oxidizing heating method and apparatus | Ryosuke Yamaguchi, Hisashi Osanai, Junichi Hasunuma, Takemi Yamamoto | 1997-12-23 |
| 5520534 | Heating apparatus including plurality of regenerative burner units and operating method | Yoshiyuki Nakanishi, Motohiro Hirata, Koushi Kuramoto, Masamitsu Obashi, Yoshio Abe +4 more | 1996-05-28 |
| 5382302 | Method of producing a high tensile steel sheet having excellent stretch flanging formability | Susumu Okada, Kouichi Hirata, Susumu Sato, Masahiko Morita | 1995-01-17 |
| 5372654 | Steel sheet for press working that exhibits excellent stiffness and satisfactory press workability | Susumu Satoh, Susumu Okada, Kouichi Hirata, Masahiko Morita | 1994-12-13 |
| 5332453 | High tensile steel sheet having excellent stretch flanging formability | Susumu Okada, Kouichi Hirata, Susumu Sato, Masahiko Morita | 1994-07-26 |
| 5192485 | Continuous annealing line having carburizing/nitriding furnace | Koshi Kuramoto, Satoshi Shibuya, Takao Ogawa, Toshikazu Kaihara, Kusuo Furukawa | 1993-03-09 |