- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 1/34 - Circuits or arrangements for control or supervision between transmitter and receiver for coin-freed systems
Patent holdings for IPC class H04N 1/34
Total number of patents in this class: 151
10-year publication summary
|
9
|
10
|
19
|
18
|
12
|
16
|
28
|
19
|
30
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brother Industries, Ltd. | 13000 |
24 |
| FUJIFILM Business Innovation Corp. | 7395 |
22 |
| Canon Inc. | 36841 |
18 |
| Kyocera Document Solutions Inc. | 5295 |
11 |
| Seiko Epson Corporation | 18724 |
9 |
| Brother Kogyo Kabushikikaisha | 1709 |
9 |
| Ricoh Company, Ltd. | 13266 |
8 |
| Xerox Corporation | 7503 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
6 |
| Konica Minolta Business Technologies, Inc. | 1564 |
6 |
| Konica Minolta, Inc. | 8349 |
5 |
| Toshiba TEC Corporation | 3877 |
4 |
| Toshiba Corporation | 12017 |
3 |
| Sharp Corporation | 10015 |
3 |
| Kodak ALARIS Inc. | 401 |
3 |
| Kyocera Corporation | 12735 |
2 |
| Oki Electric Industry Co., Ltd. | 1652 |
2 |
| FUJIFILM Corporation | 27102 |
1 |
| ARRIS Enterprises LLC | 3432 |
1 |
| Avision Inc. | 281 |
1 |
| Other owners | 7 |