Koizumi; David H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koizumi; David H..The latest application filed is for "physically interacting with a processor-based display".
- Koizumi; David H. - Portland OR
- Koizumi; David H. - Shoreline WA
- Koizumi; David H - Portland OR
| Patent | Date |
|---|---|
| Magnetic ink encoding pen Grant 7,197,174 - Koizumi March 27, 2 | 2007-03-27 |
| Using RF identification tags in writing instruments as a means for line style differentiation Grant 7,126,590 - Jelinek , et al. October 24, 2 | 2006-10-24 |
| System and method of printing on thermochromic film Grant 6,972,780 - Bjorkman , et al. December 6, 2 | 2005-12-06 |
| Physically interacting with a processor-based display App 20050083349 - Koizumi, David H. | 2005-04-21 |
| Physically interacting with a processor-based display Grant 6,839,049 - Koizumi January 4, 2 | 2005-01-04 |
| Removing toner from printed material Grant 6,789,554 - Koizumi September 14, 2 | 2004-09-14 |
| Booster lens for a microscope Grant 6,738,192 - Koizumi May 18, 2 | 2004-05-18 |
| Controlling light discharged by a phosphorescent material Grant 6,666,742 - Koizumi December 23, 2 | 2003-12-23 |
| Removing toner from printed material App 20030205245 - Koizumi, David H. | 2003-11-06 |
| Controlling light discharged by a phosphorescent material App 20030194944 - Koizumi, David H. | 2003-10-16 |
| Collapsing paraboloid dish and method Grant 6,625,288 - Koizumi September 23, 2 | 2003-09-23 |
| System and method of printing on thermochromic film App 20030142061 - Bjorkman, Gerald D. ; et al. | 2003-07-31 |
| Booster lens for a microscope App 20030086162 - Koizumi, David H. | 2003-05-08 |
| Using RF identification tags in writing instruments as a means for line style differentiation App 20030066691 - Jelinek, Lenka M. ; et al. | 2003-04-10 |
| Thermochromic writing device App 20030016282 - Koizumi, David H. | 2003-01-23 |
| Controlling light discharged by a phosphorescent material App 20020115375 - Koizumi, David H. | 2002-08-22 |
| Shadowbox input of illumination information Grant 6,266,066 - Koizumi July 24, 2 | 2001-07-24 |
| Method and apparatus for generating a projectable subject viewfinder Grant 6,191,818 - Koizumi February 20, 2 | 2001-02-20 |
| Method of displaying private data to collocated users Grant 5,963,371 - Needham , et al. October 5, 1 | 1999-10-05 |
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