G11B 5/7268
Comprising elemental nitrogen in the inorganic carbon coating
Official title: {comprising elemental nitrogen in the inorganic carbon coating}
G11B5/7268 (Comprising elemental nitrogen in the inorganic carbon coating) appears on 35 US grants and 26 published applications in this corpus.
Search patents in G11B- Granted patents
- 35
- Published applications
- 26
- Assignees
- 23
- Inventors
- 99
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 5 | 4 |
| 2006 | 1 | 0 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium30 Aug 2022US 11,427,779 B2Showa Denko K. K.
- Anti-reflection data storage medium5 May 2020US 10,643,648 B2Seagate Technology LLC
- Magnetic recording medium, and magnetic recording and reproducing apparatus5 Feb 2019US 10,199,064 B2Showa Denko K. K.
- Magnetic recording medium and magnetic recording and reproducing apparatus18 Sep 2018US 10,079,036 B2Showa Denko K. K.
- Magnetic recording medium and magnetic recording and reproducing apparatus11 Sep 2018US 10,074,396 B2Showa Denko K. K.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium19 Dec 2019US 2019/0382676 A1Showa Denko K. K.
- Anti-reflection data storage medium4 Jan 2018US 2018/0005658 A1Seagate Technology LLC
- Magnetic recording medium and magnetic recording and reproducing apparatus23 Mar 2017US 2017/0084305 A1Showa Denko K. K.
- Magnetic recording medium and magnetic recording and reproducing apparatus12 Jan 2017US 2017/0011765 A1Showa Denko K. K.
- Magnetic recording medium, and magnetic recording and reproducing apparatus18 Aug 2016US 2016/0240219 A1Showa Denko K. K.
Most cited
By later US patents
- Buffered nitrogenated carbon overcoat for data recording disks and method for manufacturing the same89US 6,136,403 AWestern Digital Corporation · 2000
- Magnetic recording medium with multi-portion carbon-based protection layer, and apparatus thereof73US 7,208,236 B2Hoya Corporation · 2007
- Magnetic recording medium70US 6,946,191 B2Hoya Corporation · 2005
- Magnetic disk and method of producing the same70US 7,166,319 B2Hoya Corporation · 2007
- Magnetic disk and method of producing the same69US 7,597,973 B2Hoya Corporation · 2009