Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310837 | Magnetic recording medium | Tsutomu Chou, Masahiro Karatsu, Mari Fujii, Chikara Ishizaka, Katsumi Saito +3 more | 2001-10-30 |
| 6202926 | Magnetic recording medium and method of making the same | Masahiro Ito, Shohei Mimura, Tsutomu Chou | 2001-03-20 |
| 6029895 | Magnetic recording medium and method of making the same | Masahiro Ito, Shohei Mimura, Tsutomu Chou | 2000-02-29 |
| 5252148 | Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same | Asako Kajita, Ippo Hirai, Tsutomu Choh | 1993-10-12 |
| 5211767 | Soft magnetic alloy, method for making, and magnetic core | Asako Kajita | 1993-05-18 |
| 5207841 | Soft magnetic powder and magnetic shield composition | Asako Kajita, Ippo Hirai | 1993-05-04 |
| 4923533 | Magnetic shield-forming magnetically soft powder, composition thereof, and process of making | Tsutomu Choh, Hiroyoshi Shimizu, Ippo Hirai, Shohei Mimura, Atsushi Makimura +1 more | 1990-05-08 |
| 4739263 | Magnetic sensor using the earth's magnetism | Kaneo Mohri | 1988-04-19 |
| 4637843 | Core of a noise filter comprised of an amorphous alloy | Suguru Takayama | 1987-01-20 |
| 4621248 | Amorphous cut core | Shotatsu Sugenoya, Tsutomu Cho | 1986-11-04 |
| 4603314 | Inductor | Kazuo Fukunaga, Minoru Higurashi, Motoyoshi Fujita, Eiichi Suga, Norio Sato | 1986-07-29 |
| 4587507 | Core of a choke coil comprised of amorphous magnetic alloy | Suguru Takayama | 1986-05-06 |
| 4558297 | Saturable core consisting of a thin strip of amorphous magnetic alloy and a method for manufacturing the same | Teruhiko Ojima | 1985-12-10 |