Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480571 | Process for producing acicular goethite particles and acicular magnetic iron oxide particles | Masaru Isoai, Tosiharu Harada, Kazuhiro Fujita, Kazushi Takama, Shigekazu Jikuhara | 1996-01-02 |
| 5378380 | Process for producing acicular geothite particles and acicular magnetic iron oxide particles | Masaru Isoai, Tosiharu Harada, Kazuhiro Fujita, Kazushi Takama, Shigekazu Jikuhara | 1995-01-03 |
| 5133805 | Plate-like hematite particles, a pigment comprising the same and showing a golden color, and a process for producing the same | Tsutomu Katamoto, Nanao Hiriishi, Masao Kiyama | 1992-07-28 |
| 4917952 | Electroconductive iron oxide particles | Tsutomu Katamoto, Nanao Horiishi | 1990-04-17 |
| 4773931 | Spindle ferromagnetic alloy particles | Akio Mishima, Yosiro Okuda, Hiroshi Sumita, Yoshitaka Yoshinaga, Akira Mukaizaka | 1988-09-27 |