Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8133405 | Spinel-type ferrimagnetic particles, process for producing the same, and magnetic recording medium using the same | Hiroshi Yamamoto | 2012-03-13 |
| 7405359 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Akinori Yamamoto | 2008-07-29 |
| 6939909 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Akinori Yamamoto | 2005-09-06 |
| 6919396 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Akinori Yamamoto | 2005-07-19 |
| 6509405 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Akinori Yamamoto | 2003-01-21 |
| 6413639 | Mg-Al based hydrotalcite-type particles, chlorine-containing resin stabilizer and process for producing the particles | Naoya Kobayashi, Torayuki Honmyo, Akinori Yamamoto | 2002-07-02 |
| 6200376 | Heat-resistant yellow pigment | Mamoru Fujimoto | 2001-03-13 |
| 5686378 | Lamella lepidocrocite particles and process for producing the same | — | 1997-11-11 |
| 5269842 | Iron oxide coloring agent for suppressing aging of resins | — | 1993-12-14 |
| 5199983 | Black pigment particles | — | 1993-04-06 |
| 5143548 | Coating composition having platelike iron oxide particles | Ken Okura, Satoru Matsuzaki, Nanao Horiishi | 1992-09-01 |
| 5133805 | Plate-like hematite particles, a pigment comprising the same and showing a golden color, and a process for producing the same | Tokihiro Kurata, Nanao Hiriishi, Masao Kiyama | 1992-07-28 |
| 5112403 | Coating composition | Ken Okura, Satoru Matsuzaki, Nanao Horiishi | 1992-05-12 |
| 5009712 | Non-magnetic pigments | Kousaku Tamari | 1991-04-23 |
| 4917952 | Electroconductive iron oxide particles | Tokihiro Kurata, Nanao Horiishi | 1990-04-17 |
| 4781981 | Plate-like magnetoplumbite ferrite particles for magnetic recording and process for producing the same | Norimichi Nagai, Yasutaka Ota, Katsunori Fujimoto, Akihiko Hirayama, Masao Kiyama | 1988-11-01 |