Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431908 | Coated spherical tetragonal barium titanate particles and process for producing the same | Yuji Mishima, Seiji Okazaki, Haruki Kurokawa, Hidetomo Unemoto, Kazuyoshi Murashige +2 more | 2008-10-07 |
| 6808697 | Spherical tetragonal barium titanate particles and process for producing the same | Yuji Mishima, Seiji Okazaki, Haruki Kurokawa, Hidetomo Unemoto, Kazuyoshi Murashige +2 more | 2004-10-26 |
| 6063490 | Magnetic recording medium comprising non-magnetic acicular particles containing mainly iron and having titanium dispersed therein | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2000-05-16 |
| 5587232 | Non-magnetic particles for non-magnetic undercoating layer of magnetic recording medium, non-magnetic undercoating layer containing the same, and magnetic recording medium having the undercoating layer | Kazuyuki Hayashi, Keisuke Iwasaki, Yasuyuki Tanaka, Minoru Ohsugi, Masaru Isoai +1 more | 1996-12-24 |