Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017497 | Atomizing roasting furnace for producing ferrite raw material powder | Tatsunori Sunagawa, Kenji Kawahito, Junji Omori, Yoshitaka Yamana, Shoichi Osada +10 more | 2000-01-25 |
| 5688430 | Soft ferrite raw material powder, its sintered body, and their production method and apparatus | Tatsunori Sunagawa, Kenji Kawahito, Junji Omori, Yoshitaka Yamana, Shoichi Osada +10 more | 1997-11-18 |
| 4596615 | Method of cooling hot steel plates | Masahiro Doki, Masato Sanazawa, Masanao Yamamoto, Hiroki Miyawaki | 1986-06-24 |