Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959177 | Steel for nitrocarburizing and nitrocarburized component, and methods of producing same | Masayuki KASAI, Takashi Iwamoto | 2024-04-16 |
| 11702716 | Case hardening steel | Keisuke Ando, Kazuaki FUKUOKA | 2023-07-18 |
| 11174543 | Case hardening steel, method of producing case hardening steel, and method of producing gear part | Keisuke Ando, Takashi Iwamoto, Kazukuni Hase, Kimihiro Nishimura | 2021-11-16 |
| 10125416 | Steel for nitrocarburizing and nitrocarburized component, and methods for producing said steel for nitrocarburizing and said nitrocarburized component | Yasuhiro Omori, Kiyoshi Uwai, Shinji Mitao, Takashi Iwamoto, Keisuke Ando | 2018-11-13 |
| 8691141 | Low carbon resulfurized free cutting steel | Toshiyuki Murakami, Tetsuo Shiraga | 2014-04-08 |
| 8206521 | High-strength stabilizer steel for vehicles having excellent corrosion resistance and low-temperature toughness, method of producing the same, and stabilizer | Katsuhiko Kikuchi, Yutaka Tamai, Kazuaki HATTORI, Kanji Inoue, Akira Tange +3 more | 2012-06-26 |
| 8118953 | Method for producing steel part having long rolling contact fatigue life | Takashi Iwamoto, Hideto Kimura, Takaaki Toyooka, Hisato Nishisaka, Masao Goto +1 more | 2012-02-21 |
| 6666932 | High strength hot rolled steel sheet | Yoshimasa Funakawa, Tsuyoshi Shiozaki, Takanobu Saito, Hiroshi Nakata, Kaoru Sato +4 more | 2003-12-23 |
| 6554917 | Steel sheet for heat shrink band effective for preventing color drift | Nobuo Yamagami, Yasuyuki Takada, Yoshihiko Oda, Chohachi Sato, Teruo Takeuchi +2 more | 2003-04-29 |
| 6440584 | Hot-dip galvanized steel sheet and method for producing the same | Yasunobu Nagataki, Toshiaki Urabe, Fusato Kitano, Akio Kobayashi, Shunsaku Node +3 more | 2002-08-27 |
| 6416594 | Heat shrink band steel sheet and manufacturing method thereof | Nobuo Yamagami, Yasuyuki Takada, Yoshihiko Oda, Hideki Matsuoka, Tatsuhiko Hiratani +2 more | 2002-07-09 |
| 5968661 | Steel sheet for heat-shrink band | Ichiro Saito, Shiro Kenmotsu, Tomio Aoki, Yasuyuki Takada | 1999-10-19 |
| 5169457 | Method of making non-oriented electrical steel sheets | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1992-12-08 |
| 5164024 | Method of making non-oriented electrical steel sheets having excellent magnetic properties | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1992-11-17 |
| 5116436 | Method of making non-oriented electrical steel sheets having excellent magnetic properties | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1992-05-26 |
| 5108522 | Method of making non-oriented electrical steel sheets having excellent magnetic properties under low magnetic field | Akihiko Nishimoto, Yoshihara Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1992-04-28 |
| 5074930 | Method of making non-oriented electrical steel sheets | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1991-12-24 |
| 5062906 | Method of making non-oriented electrical steel sheets | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1991-11-05 |
| 5061321 | Pickling method for electrical steel bands | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1991-10-29 |
| 5009726 | Method of making non-oriented silicon steel sheets having excellent magnetic properties | Akihiko Nishimoto, Yoshihiro Hosoya, Toshiaki Urabe, Masaharu Jitsukawa | 1991-04-23 |