Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582914 | Magnetic iron oxide particles and method of producing the same | Mamoru Tanihara, Tosiharu Harada, Masaru Isoai, Kazuhiro Fujita | 1996-12-10 |
| 5314750 | Magnetic iron oxide particles and method of producing same | Mamoru Tanihara, Tosiharu Harada, Masaru Isoai, Kazuhiro Fujita | 1994-05-24 |
| 5093100 | Plate-like magnetite particles, plate-like maghemite particles and processes of producing the same | Hideaki Sadamura | 1992-03-03 |
| 4873010 | Spindle-like magnetic iron oxide particles and process for producing the same | Hiroyuki Kondo, Masaru Isoai, Yoshitaka Yoshinaga, Tosiharu Harada, Yosiro Okuda +3 more | 1989-10-10 |