Yoshifumi Sudoh
Inventor
Stats
- 28 US patents issued
- 45 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 28 US Patents Issued
- 45 US Applications Filed
- 343 Total Citation Count
- Sep 4, 2024 Most Recent Filing
- Feb 1, 2007 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| RICOH COMPANY, LTD. | 4
12 6 7 6 12 8 | 2007
2008 2009 2010 2011 2014 2015 |
Inventor Addresses
| Address | Duration |
|---|---|
| Kanagawa, JP | Jun 04, 20 - Apr 01, 25 |
| Machida, JP | May 13, 08 - Oct 08, 13 |
| Maehida, JP | Feb 19, 13 - Feb 19, 13 |
| Saitama, JP | May 14, 15 - Jan 09, 18 |
| Tokyo, JP | Aug 30, 07 - Feb 01, 22 |
| Wako, JP | Sep 27, 18 - May 18, 21 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B07C: | POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING | 1 |
| F21V: | FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR | 6 |
| G02B: | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | 42 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 12265225 | 2025 | Light guide member and display device | 0 |
| 2025/0085,550 | 2025 | OPTICAL SYSTEM AND DISPLAY DEVICE | 0 |
| 12181673 | 2024 | Propagation optical system and virtual image display device | 0 |
| 12117668 | 2024 | Propagation optical system, virtual image display apparatus, and head-mounted display | 0 |
| 12099207 | 2024 | Virtual image display device | 0 |
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