Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689507 | Battery and equipment or device having the battery as part of structure and locally distributed power generation method and power generation device therefor | Kazuo Tsutsumi, Toshio Atsuta, Chikanori Kumagai, Atsushi Tsutsumi | 2004-02-10 |
| 6523721 | Powder and granular material supply system for closed system | Hiroki Nomoto, Kenichiro Murata | 2003-02-25 |
| 6506007 | Fastening bolt | Yukihiko Koza, Hiroki Nomoto, Kenichi Yajima | 2003-01-14 |
| 5246482 | Molten metal producing and refining method | Keikichi Murakami, Yoshio Uchiyama, Kenichi Yajima, Masaru Takiura, Satoshi Tatsuta +2 more | 1993-09-21 |
| 4940488 | Method of smelting reduction of ores containing metal oxides | Takuya Maeda, Keikichi Murakami, Tsutomu Yamada, Kenichi Yajima | 1990-07-10 |
| 4886246 | Metal-making apparatus involving the smelting reduction of metallic oxides | Takuya Maeda, Keikichi Murakami, Tsutomu Yamada, Kenichi Yajima, Yoshihiko Takemura | 1989-12-12 |
| 4462793 | Rotary kiln and method of using such a kiln | Takuya Maeda, Tsutomu Yamada, Atsuyoshi Kubotani | 1984-07-31 |
| 4348225 | Batch process and static-bed type apparatus for reducing iron ore | Takuya Maeda, Tsutomu Yamada | 1982-09-07 |