- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 15/163 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
Patent holdings for IPC class G02B 15/163
Total number of patents in this class: 149
10-year publication summary
17
|
26
|
12
|
36
|
21
|
7
|
7
|
3
|
7
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
35 |
Canon Inc. | 36841 |
22 |
Nikon Corporation | 7162 |
22 |
OM Digital Solutions Corp. | 706 |
11 |
Konica Minolta, Inc. | 8349 |
6 |
Konica Minolta Opto, Inc. | 1179 |
5 |
Ricoh Company, Ltd. | 13266 |
4 |
Ricoh Imaging Company, Ltd. | 153 |
4 |
Huawei Technologies Co., Ltd. | 100781 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Nittoh Inc. | 96 |
3 |
Canon Kabushiki Kaisha | 6884 |
3 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
2 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
2 |
Nittoh Kogaku K.K. | 37 |
2 |
ROBE Lighting s.r.o. | 109 |
2 |
Hanwha Vision Co., Ltd. | 568 |
2 |
Seiko Epson Corporation | 18724 |
1 |
Pentax Ricoh Imaging Company, Ltd. | 132 |
1 |
Other owners | 14 |