B43K 27/00
Multiple-point writing implements
Official title: Multiple-point writing implements, e.g. multicolour; Combinations of writing implements (B43K29/00 takes precedence; mechanisms for selecting, projecting, retracting or locking writing units B43K24/00; multiple writing devices with pantographic linkages B43L13/12)
B43K27/00 (Multiple-point writing implements) appears on 272 US grants and 219 published applications in this corpus.
Search patents in B43K- Granted patents
- 272
- Published applications
- 219
- Assignees
- 96
- Inventors
- 414
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 6 |
| 2003 | 3 | 4 |
| 2004 | 8 | 9 |
| 2005 | 9 | 17 |
| 2006 | 14 | 12 |
| 2007 | 10 | 12 |
| 2008 | 6 | 12 |
| 2009 | 6 | 7 |
| 2010 | 8 | 9 |
| 2011 | 4 | 8 |
| 2012 | 7 | 5 |
| 2013 | 9 | 6 |
| 2014 | 6 | 5 |
| 2015 | 2 | 6 |
| 2016 | 7 | 8 |
| 2017 | 9 | 14 |
| 2018 | 8 | 10 |
| 2019 | 10 | 18 |
| 2020 | 14 | 14 |
| 2021 | 11 | 9 |
| 2022 | 11 | 10 |
| 2023 | 5 | 5 |
| 2024 | 8 | 5 |
| 2025 | 5 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic pen, electronic pen cartridge, and electronic pen main unit2 Jun 2026US 12,645,310 B2Wacom Co., Ltd.
- Multi-cartridge pen devices and writing instruments20 May 2025US 12,304,232 B1ZuMedia Inc.
- Writing implement18 Feb 2025US 12,227,024 B2Mitsubishi Pencil Company, Limited
- Electronic pen, electronic pen cartridge, and electronic pen main unit4 Feb 2025US 12,216,841 B2Wacom Co., Ltd.
- Eyebrow contour tool7 Jan 2025US 12,185,819 B2
- Controllable direct liquid tool pen30 Jul 2026US 2026/0217052 A1Jiangxi Yihuale Pen Industry Co., Ltd
- Electronic pen, electronic pen cartridge, and electronic pen main unit30 Apr 2026US 2026/0118976 A1Wacom Co., Ltd.
- Multi-core writing implement5 Mar 2026US 2026/0061771 A1Kabushiki Kaisha Pilot Corporation
- Multi-point writing instruments13 Nov 2025US 2025/0346061 A1ZuMedia Inc.
- A Customizable Writing Instrument22 May 2025US 2025/0162341 A1Mopen LLC
Most cited
By later US patents
- Multicolor writing and painting instruments with multiple, bundled, hard, wear-resistant nibs106US 8,403,577 B2University of Southern California · 2013
- Marker/anti-marker system94US 3,941,488 A1976
- Input pen with attached writing implement55US 5,564,850 APilot Precision Kabushiki Kaisha · 1996
- Felt pen having two end caps52US 4,509,875 AColleen Pencil Co., Ltd. · 1985
- Applicator device52US 4,685,820 APittway Corporation · 1987