- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching 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: 64
10-year publication summary
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1
|
2
|
0
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0
|
1
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1
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39538 |
10 |
| Brother Industries, Ltd. | 12961 |
9 |
| Seiko Epson Corporation | 19281 |
8 |
| Xerox Corporation | 7026 |
5 |
| Eastman Kodak Company | 2918 |
3 |
| Memjet Technology Ltd. | 644 |
3 |
| Hewlett-Packard Development Company, L.P. | 25940 |
2 |
| Ricoh Company, Ltd. | 13209 |
2 |
| Konica Minolta Holdings, Inc. | 933 |
2 |
| Lexmark International, Inc. | 1674 |
2 |
| Brady Worldwide, Inc. | 748 |
2 |
| Kotobuki & Co., Ltd. | 103 |
2 |
| Suhan Corporation | 5 |
2 |
| Microtip Co., Ltd. | 2 |
2 |
| Samsung Display Co., Ltd. | 34290 |
1 |
| STMicroelectronics S.r.l. | 3620 |
1 |
| STMicroelectronics, Inc. | 300 |
1 |
| Lam Research Corporation | 5207 |
1 |
| The Brigham and Women's Hospital, Inc. | 2174 |
1 |
| The Charles Stark Draper Laboratory, Inc. | 923 |
1 |
| Other owners | 4 |