B43K 5/1881
When the writing point points upwards
Official title: {when the writing point points upwards}
B43K5/1881 (When the writing point points upwards) appears on 12 US grants and 3 published applications in this corpus.
Search patents in B43K- Granted patents
- 12
- Published applications
- 3
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Application container12 Apr 2022US 11,299,329 B2Sato Pharmaceutical Co., Ltd.
- Writing implement28 Nov 2006US 7,140,799 B2Mitsubishi Pencil Company, Limited
- Low-viscosity aqueous ink for a ball-point pen and a ball-point pen27 Jul 1999US 5,929,135 AMitsubishi Pencil Company, Limited
- Ball-point pen cap29 Jun 1999US 5,915,871 AMitsubishi Pencil Company, Limited
- Erasing liquid pen29 Jun 1999US 5,915,872 AKabushiki Kaisha Pilot Corporation
Most cited
By later US patents
- Clicking-type writing implement28US 5,871,296 AMitsubishi Pencil Company, Limited · 1999
- Multiplex writing implement22US 5,899,618 AMitsubishi Pencil Company, Limited · 1999
- Ball-point pen14US 5,655,847 AMitsubishi Pencil Company, Limited · 1997
- Low-viscosity aqueous ink for a ball-point pen and a ball-point pen13US 5,929,135 AMitsubishi Pencil Company, Limited · 1999
- Ball-point pen cap9US 5,915,871 AMitsubishi Pencil Company, Limited · 1999