Assignee
KK KAWAI GAKKI SEISAKUSHO
JP·33 granted patents·25 pending applications·58 citations·filing 2014–2025
Top patents by PatentIndex Score
58 records- 0197US12136403B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Granted Nov 5, 2024·4 cites·10 claims
- 0296US11508341B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2021·Granted Nov 22, 2022·4 cites·4 claims
- 0393US12223934B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Granted Feb 11, 2025·2 cites·21 claims
- 0493US10373596B2Hammer device and keyboard device for electronic keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2018·Granted Aug 6, 2019·11 cites·13 claims
- 0589US11017749B2Touch weight adjustment mechanism for keyboard deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2020·Granted May 25, 2021·9 cites·7 claims
- 0688US9607587B2Hammer device and keyboard device for electronic keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2014·Granted Mar 28, 2017·8 cites·2 claims
- 0786US10847130B2Keyboard device including link mechanismKK KAWAI GAKKI SEISAKUSHO·Filed 2019·Granted Nov 24, 2020·8 cites·8 claims
- 0884US10762884B2Keyboard device for electronic keyboard instrument and keyframe front for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2019·Granted Sep 1, 2020·3 cites·14 claims
- 0982US9940916B2Key guide structure for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2017·Granted Apr 10, 2018·4 cites·4 claims
- 1080US10636393B2Long part-mounting structure of pianoKK KAWAI GAKKI SEISAKUSHO·Filed 2019·Granted Apr 28, 2020·3 cites·3 claims
- 1178US11267280B2Decorative molded articleKK KAWAI GAKKI SEISAKUSHO·Filed 2020·Granted Mar 8, 2022·1 cites·6 claims
- 1272US12412554B2Key guide structure for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Granted Sep 9, 2025·0 cites·3 claims
- 1372US12154531B2Key for keyboard deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Granted Nov 26, 2024·0 cites·2 claims
- 1472US2026073894A1Keyboard weight of keyboard instrument, key attached with keyboard weight, and method of attaching keyboard weightKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 1571US2025111839A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Application pending·0 cites
- 1671US2025104675A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Application pending·0 cites
- 1768US2026094590A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 1867US12526573B2Diffuser and speaker unit including diffuserKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Granted Jan 13, 2026·0 cites·6 claims
- 1967US12205568B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Granted Jan 21, 2025·0 cites·10 claims
- 2067US2024112660A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2166US12190853B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Granted Jan 7, 2025·0 cites·4 claims
- 2265US2024112659A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2365US2024112658A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2465US2024119918A1Automatic performing apparatus and automatic performing programKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2564US2023317040A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2664US2023317039A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2763US2023317041A1Keyboard device for keyboard instrument and key for keyboard deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
- 2863US2025111838A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Application pending·0 cites
- 2963US2025104676A1Key weight and key for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Application pending·0 cites
- 3062US12308006B2Musical tone generating device and control method of musical tone generating deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2021·Granted May 20, 2025·0 cites·15 claims
- 3162US2023101297A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Application pending·0 cites
- 3262US2023098045A1Key for keyboard deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Application pending·0 cites
- 3362US2023100217A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Application pending·0 cites
- 3461US11562718B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2022·Granted Jan 24, 2023·0 cites·4 claims
- 3561US2024331662A1Piano including drop actionKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Application pending·0 cites
- 3661US2025285603A1Piano with drop actionKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 3760US10725650B2Handwritten music sign recognition device and programKK KAWAI GAKKI SEISAKUSHO·Filed 2015·Granted Jul 28, 2020·1 cites·17 claims
- 3857US2025308494A1Musical sound control device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 3957US2025308495A1Musical sound control method for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 4057US2025308490A1Musical sound control method for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 4156US12324509B2Music rack unit-mounting structure of grand pianoKK KAWAI GAKKI SEISAKUSHO·Filed 2024·Granted Jun 10, 2025·0 cites·5 claims
- 4256US11250820B2Stopper rail for silent pianoKK KAWAI GAKKI SEISAKUSHO·Filed 2021·Granted Feb 15, 2022·0 cites·5 claims
- 4353US11816026B2Digital signal processing device and control method of digital signal processing deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2021·Granted Nov 14, 2023·0 cites·10 claims
- 4449US2025308486A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 4549US2025308485A1Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2025·Application pending·0 cites
- 4648US12542118B2Keyboard device for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Granted Feb 3, 2026·0 cites·5 claims
- 4748US10410610B1Damper for pianoKK KAWAI GAKKI SEISAKUSHO·Filed 2019·Granted Sep 10, 2019·0 cites·5 claims
- 4846US11556303B2Digital signal processing device and control method of digital signal processing deviceKK KAWAI GAKKI SEISAKUSHO·Filed 2021·Granted Jan 17, 2023·0 cites·5 claims
- 4946US9437173B2Piano actionKK KAWAI GAKKI SEISAKUSHO·Filed 2014·Granted Sep 6, 2016·0 cites·8 claims
- 5046US2024112657A1Key weight and key for keyboard instrumentKK KAWAI GAKKI SEISAKUSHO·Filed 2023·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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