Patent holdings for IPC class B43K 8/02

Total number of patents in this class: 290

10-year publication summary

29
28
30
29
21
27
28
25
21
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Pencil Company, Limited
753
76
Societe BIC
1041
24
Kabushiki Kaisha Pilot Corporation
330
18
The Pilot Ink Co., Ltd.
89
13
Sanford, L.P.
935
11
Crayola LLC
187
9
Kuretake Co., Ltd.
129
8
Sakura Color Products Corporation
257
7
BIC Violex Single Member S.A.
210
6
3S Corporation
8
4
Flocon, Inc.
37
4
Milwaukee Electric Tool Corporation
4310
4
Tokiwa Corporation
145
4
V Spark Co., Ltd.
5
4
Vertech, Inc.
4
4
Aubex Corporation
10
3
Chemicos Creations Ltd.
8
3
Epoch Chemical Co., Ltd.
4
3
Esprix Technologies, L.P.
25
3
Faber-Castell AG
160
3
Other owners 79