- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 53/76 - Making other particular articles writing or drawing instruments, e.g. writing pens, erasing pens
Patent holdings for IPC class B21D 53/76
Total number of patents in this class: 75
10-year publication summary
|
2
|
1
|
2
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
11 |
| Brother Industries, Ltd. | 13000 |
11 |
| Seiko Epson Corporation | 18724 |
9 |
| Eastman Kodak Company | 3444 |
6 |
| Xerox Corporation | 7503 |
5 |
| Lexmark International, Inc. | 1793 |
4 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| Funai Electric Co., Ltd. | 882 |
3 |
| Memjet Technology Ltd. | 757 |
3 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Konica Minolta Holdings, Inc. | 1086 |
2 |
| Kotobuki & Co., Ltd. | 109 |
2 |
| Suhan Corporation | 5 |
2 |
| Microtip Co., Ltd. | 2 |
2 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| STMicroelectronics S.r.l. | 3693 |
1 |
| STMicroelectronics, Inc. | 886 |
1 |
| Lam Research Corporation | 4775 |
1 |
| The Brigham and Women's Hospital, Inc. | 2087 |
1 |
| The Charles Stark Draper Laboratory, Inc. | 913 |
1 |
| Other owners | 4 |