G11B 5/73915
Silicon compound based coating
Official title: {Silicon compound based coating}
G11B5/73915 (Silicon compound based coating) appears on 29 US grants and 27 published applications in this corpus.
Search patents in G11B- Granted patents
- 29
- Published applications
- 27
- Assignees
- 24
- Inventors
- 76
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 3 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 5 |
| 2009 | 0 | 6 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Substrate for magnetic disk and magnetic disk10 Feb 2026US 12,548,594 B2Hoya Corporation
- Substrate for magnetic disk and magnetic disk9 Apr 2024US 11,955,151 B2Hoya Corporation
- Substrate for magnetic disk and magnetic disk3 Jan 2023US 11,545,178 B2Hoya Corporation
- Non-magnetic substrate for magnetic disk, and magnetic disk8 Jun 2021US 11,031,036 B2Hoya Corporation
- HAMR media to assist optically transparent build-up on NFT to improve reliability16 Mar 2021US 10,950,267 B1Western Digital Technologies, Inc.
- Substrate for magnetic disk and magnetic disk22 Aug 2024US 2024/0282337 A1Hoya Corporation
- Substrate for magnetic disk and magnetic disk20 Apr 2023US 2023/0121742 A1Hoya Corporation
- Non-magnetic substrate for magnetic disk, magnetic disk, and hard disk drive26 Aug 2021US 2021/0264943 A1Hoya Corporation
- Heat-assisted magnetic recording medium and magnetic storage apparatus5 Mar 2020US 2020/0075053 A1Showa Denko K. K.
- Non-magnetic substrate for magnetic disk, and magnetic disk30 Jan 2020US 2020/0035268 A1Hoya Corporation
Most cited
By later US patents
- Composite magnetic recording disk31US 4,376,963 AInternational Business Machines Corporation · 1983
- Substrate members for recording disks and process for producing same31US 4,659,606 ASumitomo Special Metals Co., Ltd. · 1987
- Ceramic substrates and magnetic data storage components prepared therefrom31US 5,480,695 A1996
- Ultra-smooth ceramic substrates and magnetic data storage media prepared therefrom23US 5,626,943 AThe Carborundum Company · 1997
- Abrasion-resistant magnetic recording disk13US 4,689,260 AInternational Business Machines Corporation · 1987