Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1036652 | Mask | Shingo Ishikawa | 2024-07-23 |
| 6581779 | Method of the magnetic loading of a sintering material | Nobuyuki Oyama, Kouichi Nushiro, Katsutoshi Igawa, Norifumi Fujii, Kenji Takihira +2 more | 2003-06-24 |
| 6349635 | Apparatus to roll-up laminar sheets of food material in tubular shape | — | 2002-02-26 |
| 6349833 | Method of feeding sintering material by use of magnetic forces | Nobuyuki Oyama, Kouichi Nushiro, Katsutoshi Igawa, Norifumi Fujii, Kenji Takihira +2 more | 2002-02-26 |
| 5609458 | Method of charging coal into chamber furnace-type coke oven and apparatus therefor | Kouji Hanaoka, Katsutoshi Igawa, Takashi Matsui, Kenichi Sorimachi | 1997-03-11 |
| 5570736 | Process of continuously casting steel using electromagnetic field | Seikou Nara, Hisao Yamazaki, Nagayasu Bessho, Tetsuya Fujii | 1996-11-05 |
| 5304231 | Method of refining of high purity steel | Yoshiei Kato, Tadasu Kirihara, Tetsuya Fujii, Shigeru Omiya, Masahito Suito | 1994-04-19 |
| 4914948 | Apparatus for monitoring burden distribution in furnace | Shigemi Murakawa, Makoto Nomura, Ryoji Takabe, Yoshiharu Iwashita, Masahiro Ishii | 1990-04-10 |
| 4842253 | Method and device for monitoring combustion in furnace | Kanji Takeda, Toshikazu Nakai, Haruo Kato | 1989-06-27 |
| 4697453 | Apparatus for monitoring burden distribution in furnace | Shigemi Murakawa, Makoto Nomura, Ryoji Takabe, Yoshiharu Iwashita, Masahiro Ishii | 1987-10-06 |
| 4248625 | Method of operating a blast furnace | Sakae Tamura, Kyoji Okabe, Tsuyoshi Fukutake, Tamotsu Nagai, Mitsuo Saino +1 more | 1981-02-03 |