Keeper Corporation
Kanagawa, JP· latest recorded location
Keeper Corporation is named on 15 US grants and 2 published applications in this corpus. Its most frequent classification is F16J (Pistons).
- Granted patents
- 15
- Published applications
- 2
- Inventors
- 40
- Granted in 2026 so far
- 1
- Most recent grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 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 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 17 documents
- F16JPistons14
- F16DCouplings for transmitting rotation8
- B29LIndexing scheme associated with subclass b29c, relating to particular articles2
- B60KArrangement or mounting of propulsion units or of transmissions in vehicles2
- B60RVehicle fittings and parts2
- B62DMotor vehicles2
- C08LCompositions of macromolecular compounds2
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2
- B29CShaping or joining of plastics1
- B60CVehicle tyres1
Recent patents
- Flexible boot for constant velocity universal joint and constant velocity universal joint11 Aug 2026US 12,704,153 B2
- Dust cover for a steering shaft5 Jan 2010US 7,641,561 B2
- Flexible boot for constant velocity universal joint7 Apr 2009US 7,513,507 B2
- Seal member mounted between cylinder head cover and ignition plug tube9 Mar 2004US 6,702,293 B2
- Resin CVJ boot with distinct large and small crest portions3 Mar 1998US 5,722,669 A
Most cited
By later US patents