Der-Chang Hsieh
Inventor
Stats
- 12 US patents issued
- 14 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 12 US Patents Issued
- 14 US Applications Filed
- 127 Total Citation Count
- Jun 16, 2005 Most Recent Filing
- Feb 17, 1982 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Tandy Corporation | 1
1 1 | 1989
1990 1991 |
| LEE, CHIH-KUNG | 1
| 2001
|
| Raychem Corporation | 1
| 2001
|
| ADVANCEWAVE TECHNOLOGY, INC. | 1
| 2001
|
| NATIONAL TAIWAN UNIVERSITY | 1
1 | 2001
2005 |
| UNISYS CORPORATION | 6
| 1982
|
Inventor Addresses
| Address | Duration |
|---|---|
| Cupertino, CA | Oct 08, 91 - Jul 07, 92 |
| Cupertion, CA | Aug 27, 91 - Aug 27, 91 |
| Taipei, TW | Sep 05, 02 - Jul 04, 06 |
| Thousand Oaks, CA | Feb 14, 84 - Jan 14, 86 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G01R: | MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES | 1 |
| G11B: | INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER | 7 |
| H01J: | ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7071597 | 2006 | Piezoelectric laminate motion sensing apparatus and method | 6 |
| 6998759 | 2006 | Piezoelectric laminate motion sensing apparatus and method | 2 |
| 2003/0222,540 | 2003 | Piezoelectric transducer apparatus having independent gain and phase characteristics functions | 1 |
| 6603242 | 2003 | Piezoelectric transducer apparatus having independent gain and phase characteristics functions of the fourth-order partial differential equations | 2 |
| 2002/0121,846 | 2002 | Piezoelectric transducer apparatus having independent gain and phase characteristics functions | 1 |
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