Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898226 | Immersion nozzle for continuous casting of steel | Tooru Kitagawa, Mikio Suzuki, Toshi Masaoka, Takashi Mori, Kazutaka Okimoto | 1990-02-06 |
| 4852633 | Immersion nozzle for continuous casting of steel | Tooru Kitagawa, Mikio Suzuki, Toshio Masaoka, Takashi Mori, Kazutaka Okimoto | 1989-08-01 |
| 4646977 | Spray nozzle | Yoshinari Iwamura, Katsunori Okimoto, Shinobu Miyahara, Shigetaka Uchida, Taizo Sera +1 more | 1987-03-03 |