- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/49 - Scattering, i.e. diffuse reflection within a body or fluid
Patent holdings for IPC class G01N 21/49
Total number of patents in this class: 911
10-year publication summary
|
94
|
97
|
71
|
77
|
69
|
66
|
65
|
38
|
41
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 55174 |
19 |
| Sony Corporation | 31025 |
19 |
| Hitachi High-Technologies Corporation | 2004 |
15 |
| Hamamatsu Photonics K.K. | 4426 |
14 |
| Koninklijke Philips Electronics N.V. | 9542 |
13 |
| Sysmex Corporation | 1433 |
12 |
| Samsung Electronics Co., Ltd. | 146811 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
11 |
| HORIBA, Ltd. | 821 |
11 |
| The Regents of the University of California | 19961 |
9 |
| Koninklijke Philips N.V. | 24767 |
9 |
| Mitsubishi Electric Corporation | 46197 |
9 |
| Kurita Water Industries Ltd. | 1195 |
9 |
| Pioneer Corporation | 4340 |
8 |
| Bio-Rad Laboratories, Inc. | 1618 |
8 |
| Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | 1933 |
8 |
| Medical Photonics Co., Ltd. | 23 |
8 |
| Becton, Dickinson and Company | 7267 |
7 |
| FUJIFILM Corporation | 29437 |
7 |
| Olympus Corporation | 13174 |
7 |
| Other owners | 697 |