Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863530 | Fc-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product, and method for producing the same | by Hiroshi Matushima, executor, Kiyoshi Watanabe | 1989-09-05 |
| 4859252 | High damping capacity alloy and a process for producing the same | Showhachi Sawaya, Masakatsu Hinai | 1989-08-22 |
| 4834813 | Wear-resistant alloy of high permeability and methods of producing the same | Yuetsu Murakami | 1989-05-30 |
| 4830685 | Wear-resistant alloy of high permeability and method of producing the same | Yuetsu Murakami | 1989-05-16 |
| 4814027 | Fe-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product | Kiyoshi Watanabe, Hiroshi Matushima, executor | 1989-03-21 |
| 4710243 | Wear-resistant alloy of high permeability and method of producing the same | Yuetsu Murakami | 1987-12-01 |
| 4684414 | High damping capacity alloy and a process for producing the same | Showhachi Sawaya, Masakatsu Hinai | 1987-08-04 |
| 4684416 | Alloy with small change of electric resistance over wide temperature range and method of producing the same | Naoji Nakamura | 1987-08-04 |
| 4650528 | High damping capacity aluminum alloy | Showhachi Sawaya, Masakatsu Hinai | 1987-03-17 |
| 4572750 | Magnetic alloy for magnetic recording-reproducing head | Yuetsu Murakami | 1986-02-25 |
| 4518439 | Alloy with small change of electric resistance over wide temperature range and method of producing the same | Naoji Nakamura | 1985-05-21 |
| 4517156 | Electrical resistant alloys having a small temperature dependence of electric resistance over a wide temperature range and a method of producing the same | Naoji Nakamura | 1985-05-14 |
| 4468370 | Electrical resistant alloys having a small temperature dependence of electrical resistance over a wide temperature range and a method of producing the same | Naoji Nakamura | 1984-08-28 |
| 4440720 | Magnet alloy useful for a magnetic recording and reproducing head and a method of manufacturing thereof | Yuetsu Murakami | 1984-04-03 |
| 4396441 | Permanent magnet having ultra-high coercive force and large maximum energy product and method of producing the same | Kiyoshi Watanabe | 1983-08-02 |
| 4374679 | Electrical resistant article having a small temperature dependence of electric resistance over a wide temperature range and a method of producing the same | Naoji Nakamura | 1983-02-22 |
| 4244754 | Process for producing high damping capacity alloy and product | Showhachi Sawaya | 1981-01-13 |
| 4204887 | High damping capacity alloy | Showhachi Sawaya | 1980-05-27 |
| 4204888 | High damping capacity alloy | Showhachi Sawaya | 1980-05-27 |