Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8841232 | Advanced ceramic catalyst | Dumitru Tuclea, Stefan Borduz | 2014-09-23 |
| 6277298 | Ferrofluid composition and process | Shiro Tsuda, Yasutake Hirota | 2001-08-21 |
| 6056889 | Process for producing a magnetic fluid and composition therefor | Shiro Tsuda, Kacey Wiley Heckman, Yasutake Hirota, Stefan Borduz | 2000-05-02 |
| 5676877 | Process for producing a magnetic fluid and composition therefor | Stefan Borduz, Shiro Tsuda | 1997-10-14 |
| 4732706 | Method of preparing low viscosity, electrically conductive ferrofluid composition | Kuldip Raj | 1988-03-22 |
| 4687596 | Low viscosity, electrically conductive ferrofluid composition and method of making and using same | Kuldip Raj | 1987-08-18 |
| 4673997 | Electrically conductive ferrofluid bearing and seal apparatus and low-viscosity electrically conductive ferrofluid used therein | Hanumaiah L. Gowda, Kuldip Raj | 1987-06-16 |
| 4604222 | Stable ferrofluid composition and method of making and using same | Kuldip Raj | 1986-08-05 |
| 4604229 | Electrically conductive ferrofluid compositions and method of preparing and using same | Kuldip Raj, Hanumaiah L. Gowda | 1986-08-05 |