- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 21/06 - Writing-core feeding mechanisms with the writing-cores fed by means sliding in longitudinally-slotted casings
Patent holdings for IPC class B43K 21/06
Total number of patents in this class: 8
10-year publication summary
|
2
|
0
|
0
|
0
|
1
|
1
|
0
|
2
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micro Co., Ltd. | 7 |
1 |
| Mitsubishi Pencil Company, Limited | 679 |
1 |
| Morris Corporation | 23 |
1 |
| Societe BIC | 1064 |
1 |
| LIVEWORK Co., Ltd. | 6 |
1 |
| F.i.l.a.—fabrica Italiana LAPIS Ed Affini S.p.A. | 4 |
1 |
| Go Forward AS | 1 |
1 |
| SONG, Yingying | 2 |
1 |
| Other owners | 0 |