Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8679370 | Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating | Tsuyoshi Tokiwa, Eiji Sawa | 2014-03-25 |
| 8419977 | Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating | Tsuyoshi Tokiwa, Eiji Sawa | 2013-04-16 |
| 7962077 | Developing roller, developing apparatus comprising the developing roller, and method for providing the developing roller | Tsuyoshi Tokiwa, Eiji Sawa | 2011-06-14 |
| 7000711 | Horizontal bore cryogenic drilling method | Thomas J. Miller | 2006-02-21 |
| 6881347 | Method for removing radioactive substances from affecting water wells | Steven H. Schultz, Daniel R. Butler | 2005-04-19 |
| 5579845 | Method for improved water well production | Robert Taylor, William C. Frazier | 1996-12-03 |