Fumihito Ichikawa
Inventor
Stats
- 5 US patents issued
- 9 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 5 US Patents Issued
- 9 US Applications Filed
- 24 Total Citation Count
- Oct 23, 2020 Most Recent Filing
- Sep 8, 1999 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| HITACHI MEDIA ELECTRONICS CO., LTD. | 1
2 2 2 1 | 1999
2005 2007 2009 2013 |
| HITACHI, LTD. | 1
| 1999
|
| Hitachi-LG Data Storage, Inc. | 3
| 2015
|
Inventor Addresses
| Address | Duration |
|---|---|
| Tokyo, JP | Jan 21, 16 - Jan 17, 23 |
| Yokohama, JP | Apr 03, 01 - Nov 19, 13 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| F21K: | LIGHT SOURCES NOT OTHERWISE PROVIDED FOR | 1 |
| F21V: | FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR | 2 |
| G02B: | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS | 4 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 11555983 | 2023 | Light source module | 0 |
| 2021/0263,261 | 2021 | LIGHT SOURCE MODULE | 0 |
| 10371369 | 2019 | Sealing of optical module with O-ring and liquid resin | 0 |
| 2018/0106,997 | 2018 | SUPPORT FOR OPTICAL ELEMENT AND IMAGE DRAWING APPARATUS | 1 |
| 9876999 | 2018 | Optical module and projection image display device | 1 |
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