- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/122 - Basic optical elements, e.g. light-guiding paths
Patent holdings for IPC class G02B 6/122
Total number of patents in this class: 3719
10-year publication summary
|
217
|
267
|
355
|
407
|
347
|
421
|
349
|
321
|
264
|
136
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 11682 |
125 |
| NEC Corporation | 30716 |
107 |
| International Business Machines Corporation | 63228 |
99 |
| Nitto Denko Corporation | 7705 |
86 |
| GLOBALFOUNDRIES U.S. Inc. | 6562 |
86 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 33201 |
69 |
| Cisco Technology, Inc. | 18706 |
66 |
| Huawei Technologies Co., Ltd. | 91895 |
57 |
| The Furukawa Electric Co., Ltd. | 3328 |
56 |
| Intel Corporation | 46080 |
54 |
| Nokia Solutions And Networks Oy | 5221 |
50 |
| Massachusetts Institute of Technology | 9617 |
44 |
| Shenzhen University | 1485 |
38 |
| Skorpios Technologies, Inc. | 136 |
38 |
| Fujikura Ltd. | 2720 |
37 |
| Rockley Photonics Limited | 362 |
36 |
| Seagate Technology LLC | 4710 |
35 |
| Sumitomo Bakelite Co., Ltd. | 1397 |
35 |
| OpenLight Photonics, Inc | 182 |
33 |
| Hitachi Chemical Company, Ltd. | 2607 |
30 |
| Other owners | 2538 |