Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827757 | Magnetite-iron based composite powder, magnetite-iron based powder mixture, method for producing the same, method for remedying polluted soil, water or gases and electromagnetic wave absorber | Yukiko Ozaki, Hiroki Nakamaru, Yukiko Nakamura, Shigeaki Takajo, Shigeru Unami +1 more | 2004-12-07 |
| 6758882 | Alloyed steel powder for powder metallurgy | Naomichi Nakamura, Shigeru Unami, Masashi Fujinaga | 2004-07-06 |
| 6696014 | Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density | Naomichi Nakamura, Shigeru Unami, Masashi Fujinaga, Takashi Yoshimura, Mitsumasa Iijima +3 more | 2004-02-24 |