Yoshiro Uchikawa
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 103 Total Citation Count
- Jan 30, 1987 Most Recent Filing
- May 7, 1984 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Kabushiki Kaisha Suwa Seikosha | 1
| 1984
|
| SEIKO EPSON CORPORATION | 1
| 1987
|
| Kabushiki Kaisha Seiko Epson | 1
| 1984
|
Inventor Addresses
| Address | Duration |
|---|---|
| Suwa, JP | Feb 03, 87 - May 10, 88 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G02F: | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 4743096 | 1988 | Liquid crystal video display device having pulse-width modulated "ON" signal for gradation display | 82 |
| 4640582 | 1987 | System for driving a liquid crystal matrix display so as to avoid crosstalk | 13 |
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