- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 13/11 - Preparation of ozone by electric discharge
Patent holdings for IPC class C01B 13/11
Total number of patents in this class: 475
10-year publication summary
|
46
|
46
|
54
|
60
|
60
|
36
|
31
|
50
|
33
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
37 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
33 |
| Sumitomo Precision Products Co., Ltd. | 273 |
15 |
| Biosecurity Technology, Inc. | 26 |
15 |
| Toshiba Corporation | 12017 |
11 |
| Murata Manufacturing Co., Ltd. | 22355 |
10 |
| Xylem IP Management S.a.r.l. | 37 |
10 |
| Xylem Europe GmbH | 204 |
10 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
10 |
| Toshiba Infrastructure Systems & Solutions Corporation | 957 |
9 |
| AquaStar Pool Products, Inc. | 75 |
8 |
| Suez Groupe | 171 |
8 |
| MKS Instruments, Inc. | 698 |
7 |
| Xylem IP Management S.A R.L. | 70 |
6 |
| Panasonic Corporation | 20786 |
5 |
| Evoqua Water Technologies LLC | 904 |
5 |
| Primozone Production AB | 18 |
5 |
| Canon Kabushiki Kaisha | 6884 |
5 |
| Cleancore Solutions, Inc. | 11 |
5 |
| Brairtech Sweden AB | 5 |
5 |
| Other owners | 256 |