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Inventor: Ota; Yasutaka
Address: Hatsukaichi, JP
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5599378 |
Spindle-shaped magnetic iron based alloy particles and process for producing the same |
February 4, 1997 |
| Disclosed herein are spindle-shaped magnetic iron based alloy particles containing at least one selected from the group consisting of Ni, Al, Si, P, Co, Mg, B and Zn, which have a particle length of 0.05 to 0.40 .mu.m, a crystallite size of 110 to 180 .ANG., a specific surface area of 30 |
| 5466306 |
Spindle-shaped magnetic iron based alloy particles |
November 14, 1995 |
| Disclosed herein are spindle-shaped magnetic iron based alloy particles containing at least one selected from the group consisting of Ni, Al, Si, P, Co, Mg, B and Zn, which have a particle length of 0.05 to 0.40 .mu.m, a crystallite size of 110 to 180 .ANG., a specific surface area of 30 |
| 5156922 |
Acicular magnetic iron based alloy particles for magnetic recording and method of producing the |
October 20, 1992 |
| Disclosed herein are acicular magnetic iron based alloy particles for magnetic recording, containing 1.5 to 10 mol % of B based on Fe (calculated as B) and 1.5 to 10 mol % of Co based on Fe (calculated as Co) in the vicinity of the surfaces of said particles and having a saturation m |
| 5137783 |
Acicular magnetic metal particles containing iron as main ingredient and process for producing t |
August 11, 1992 |
| Disclosed herein are acicular magnetic metal particles containing iron as the main ingredient the surfaces of which are coated with a polymer formed from at least one of silicone compounds represented by the following formula (I):wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R. |
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