Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9957581 | Method for refining hot metal in converter | Kenji Nakase, Yukio Takahashi, Naoki Kikuchi, Goro Okuyama, Shingo Sato +1 more | 2018-05-01 |
| 9920390 | Method for preliminary treatment of molten iron | Yozo Iwaki, Shizuhiko Ikeno, Kochiro Ejima, Takeshi Ishii, Masanori Nishikori +11 more | 2018-03-20 |
| 9580764 | Top-blowing lance and method for refining molten iron using the same | Goro Okuyama, Naoki Kikuchi, Yukio Takahashi, Shingo Sato, Kenji Nakase +2 more | 2017-02-28 |
| 9493854 | Converter steelmaking method | Yuma Igarashi, Hidemitsu NEGISHI, Naotaka Sasaki | 2016-11-15 |
| 9315875 | Method of refining molten iron | Shizuhiko Ikeno, Yozo Iwaki, Naotaka Sasaki, Takeshi Ishii, Masanori Nishikori | 2016-04-19 |
| 6511627 | Method of forming a complex profile of uneven depressions in the surface of a workpiece by energy beam ablation | Nobuyuki Asahi, Masao Kubo | 2003-01-28 |
| 6414263 | Processing method of printed wiring board | Masao Kubo, Kenichiro Tanaka, Isamu Miyamoto | 2002-07-02 |
| 6123882 | Fiber reinforced thermoplastic resin sheet and method of wet manufacturing | Fumiaki Yoshikawa, Seiji Hanatani, Osamu Nishimura, Masahiko Kajioka | 2000-09-26 |
| 6120725 | Method of forming a complex profile of uneven depressions in the surface of a workpiece by energy beam ablation | Nobuyuki Asahi, Masao Kubo | 2000-09-19 |
| 6103155 | Method of making a fiber reinforced thermoplastic sheet having essentially no warpage | Fumiaki Yoshikawa, Seiji Hanatani, Osamu Nishimura, Masahiko Kajioka | 2000-08-15 |
| 5888352 | Apparatus for wet manufacturing fiber reinforced thermoplastic resin sheet | Fumiaki Yoshikawa, Seiji Hanatani, Tsuguo Takehara, Isamu Shiota | 1999-03-30 |
| 5529808 | Stampable glass fiber reinforced thermoplastic resin and method of producing the same | Kunihiko Eguchi, Masafumi Komatsu, Seiji Hanatani, Tomoshige Ono, Tadahiro Wakui | 1996-06-25 |