- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 27/00 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
Patent holdings for IPC class G11B 27/00
Total number of patents in this class: 2454
10-year publication summary
236
|
254
|
257
|
234
|
163
|
161
|
144
|
118
|
79
|
26
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sony Corporation | 32931 |
172 |
Pioneer Corporation | 4843 |
90 |
Apple Inc. | 50209 |
88 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
81 |
Panasonic Corporation | 20786 |
79 |
GoPro, Inc. | 1915 |
59 |
Mitsubishi Electric Corporation | 43934 |
58 |
Google LLC | 38759 |
52 |
Microsoft Technology Licensing, LLC | 51439 |
51 |
LG Electronics Inc. | 69257 |
48 |
Rovi Guides, Inc. | 3236 |
41 |
Sharp Kabushiki Kaisha | 18957 |
41 |
Samsung Electronics Co., Ltd. | 131630 |
39 |
International Business Machines Corporation | 60644 |
37 |
Canon Inc. | 36841 |
37 |
Adobe Inc. | 6700 |
37 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
29 |
Sonos, Inc. | 2274 |
29 |
Intel Corporation | 45621 |
21 |
Maxell, Ltd. | 2533 |
21 |
Other owners | 1344 |