Ryoji Takeyari
Inventor
Stats
- 30 US patents issued
- 32 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 30 US Patents Issued
- 32 US Applications Filed
- 795 Total Citation Count
- Nov 7, 2006 Most Recent Filing
- Dec 14, 1989 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| NIPPON TELEGRAPH AND TELEPHONE CORPORATION | 1
1 | 1995
1996 |
| HITACHI, LTD. | 1
2 1 3 1 1 7 1 2 2 7 5 2 2 1 | 1989
1991 1992 1993 1994 1995 1996 1997 1998 1999 2001 2002 2003 2004 2006 |
| OCLARO JAPAN, INC. | 2
| 2003
|
| HITACHI DEVICE ENGINEERING CO., LTD. | 1
1 | 1998
2001 |
Inventor Addresses
| Address | Duration |
|---|---|
| Koganei, JP | Aug 01, 95 - Nov 06, 07 |
| Koganei-shi, JP | Feb 28, 02 - Aug 19, 04 |
| Kokubunji, JP | Aug 25, 92 - Oct 24, 06 |
| Kokubunji-shi, JP | Aug 11, 05 - Aug 11, 05 |
| Tokyo, JP | Jan 17, 02 - Jan 17, 02 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| G02B: | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | 3 |
| 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 | 1 |
| H01S: | DEVICES USING STIMULATED EMISSION | 3 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7292785 | 2007 | Optical transmission system constructing method and system | 1 |
| 7167652 | 2007 | Optical transmission system constructing method and system | 1 |
| 7127170 | 2006 | Optical frequency division multiplexing network | 0 |
| 7099596 | 2006 | Optical transmitter | 11 |
| 6931039 | 2005 | Optical transmitter equipment and semiconductor laser device | 0 |
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