Yohtaro Umeda
Inventor
Stats
- 3 US patents issued
- 4 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 3 US Patents Issued
- 4 US Applications Filed
- 64 Total Citation Count
- Jan 23, 2007 Most Recent Filing
- Aug 6, 2003 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| NIPPON TELEGRAPH AND TELEPHONE CORPORATION | 2
1 2 1 | 2003
2004 2005 2007 |
| NTT ELECTRONICS CORPORATION | 1
2 | 2004
2005 |
Inventor Addresses
| Address | Duration |
|---|---|
| Kanagawa, JP | Apr 22, 04 - Mar 31, 09 |
| Tokyo, JP | Sep 18, 08 - Jan 11, 11 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| H03B: | GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS | 1 |
| H03F: | AMPLIFIERS | 1 |
| H03K: | PULSE TECHNIQUE | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7868701 | 2011 | Transimpedance amplifier | 14 |
| 7511539 | 2009 | Driver circuit | 0 |
| 2008/0309,407 | 2008 | Transimpedance Amplifier | 28 |
| 2008/0226,298 | 2008 | Optical Transmission System | 3 |
| 2007/0120,589 | 2007 | Driver circuit | 0 |
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