B32B 2429/02
Records or discs
B32B2429/02 (Records or discs) appears on 181 US grants and 132 published applications in this corpus.
Search patents in B32B- Granted patents
- 181
- Published applications
- 132
- Assignees
- 102
- Inventors
- 417
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 14 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 5 |
| 2002 | 15 | 21 |
| 2003 | 10 | 13 |
| 2004 | 18 | 10 |
| 2005 | 5 | 12 |
| 2006 | 12 | 13 |
| 2007 | 2 | 10 |
| 2008 | 2 | 6 |
| 2009 | 4 | 4 |
| 2010 | 4 | 5 |
| 2011 | 4 | 7 |
| 2012 | 5 | 1 |
| 2013 | 3 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 6 |
| 2016 | 3 | 3 |
| 2017 | 4 | 4 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 5 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for substrate and spacer separation7 Oct 2025US 12,434,467 B2Western Digital Technologies, Inc.
- Interconnected corrugated carbon-based network26 Nov 2024US 12,153,032 B2The Regents of the University of California
- Method for manufacturing substrate and method for manufacturing substrate for magnetic disk19 Nov 2024US 12,145,238 B2Hoya Corporation
- Spacer and laminate12 Dec 2023US 11,839,950 B2Hoya Corporation
- Spacer, laminate of substrates, method for manufacturing substrate, and method for manufacturing substrate for magnetic disk18 Oct 2022US 11,471,993 B2Hoya Corporation
- Method and apparatus for substrate and spacer separation2 Jan 2025US 2025/0001752 A1Western Digital Technologies, Inc.
- Method for manufacturing substrate and method for manufacturing substrate for magnetic disk14 Mar 2024US 2024/0082979 A1Hoya Corporation
- Interconnected corrugated carbon-based network22 Jun 2023US 2023/0194492 A1The Regents of the University of California
- Spacer and laminate19 Jan 2023US 2023/0015283 A1Hoya Corporation
- Biaxially oriented polyester film4 Mar 2021US 2021/0061974 A1Toyobo Film Solutions Limited
Most cited
By later US patents
- Optical recording medium having two separate recording layers68US 5,764,619 AMatsushita Electric Industrial Co., Ltd. · 1998
- Optical disc adhesive label applicator for non-circular optical disc52US 6,408,918 B1Avery Dennison Corporate Center · 2002
- Method of producing a laminated structure47US 6,395,124 B13M Innovative Properties Company · 2002
- Biaxially oriented laminated film43US 5,069,962 AToray Industries, Inc. · 1991
- Record carrier in disk form having cover layers37US 4,188,433 AU. S. Philips Corporation · 1980