Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602320 | Method for producing reduced iron | Kojiro Fuji, Hidetoshi Tanaka, Shoichi Kikuchi, Takaya Kitajima | 2003-08-05 |
| 6592649 | Method of producing iron nuggets | Shoichi Kikuchi, Yasuhiro Tanigaki, Koji Tokuda, Shuzo Ito | 2003-07-15 |
| 6579505 | Method of producing iron oxide pellets | Hidetoshi Tanaka, Takao Harada, Jun Jimbo, Shoichi Kikuchi, Yasuhiko Igawa | 2003-06-17 |
| 6567311 | Nonvolatile memory system, semiconductor memory, and writing method | Tatsuya Ishii, Hitoshi Miwa, Shooji Kubono | 2003-05-20 |
| 6548847 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE HAVING A FIRST WIRING STRIP EXPOSED THROUGH A CONNECTING HOLE, A TRANSITION-METAL FILM IN THE CONNECTING HOLE AND AN ALUMINUM WIRING STRIP THEREOVER, AND A TRANSITION-METAL NITRIDE FILM BETWEEN THE ALUMINUM WIRING STRIP AND THE TRANSITION-METAL FILM | Jun Sugiura, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii, Isamu Asano +22 more | 2003-04-15 |
| 6506231 | Method and apparatus for making metallic iron | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2003-01-14 |