Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696037 | Method of recovering sulfur from minerals and other sulfur-containing compounds | Yoshiyuki Watanabe, Kaoru Saruta | 2004-02-24 |
| 6440322 | Magnetic fluid and process for the production thereof | Young-Sam Kim, Katsuto Nakatsuka, Takafumi Atarashi | 2002-08-27 |
| 6159396 | Electrorheological magnetic fluid and process for producing the same | Kenji Yoshino | 2000-12-12 |
| 5714084 | Electrorheological magnetic fluid and process for producing the same | Kenji Yoshino | 1998-02-03 |
| 5507967 | Electrorheological magnetic fluid and process for producing the same | Kenji Yoshino | 1996-04-16 |
| 4347124 | Method and device of separating materials of different density by ferromagnetic liquid | Junzo Shimoiizaka | 1982-08-31 |