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Top 5 Key Players companies in Drumhead
by Most Patent Citation in the Japan in 2021

The Drumhead top 5 is Discovery PatSnap’ annual ranking of the top 5 Most Patent Citation Drumhead Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A drumhead or drum skin is a membrane stretched over one or both of the open ends of a drum. The drumhead is struck with sticks, mallets, or hands, so that it vibrates and the sound resonates through the drum.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

United States

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Yamaha Corp.
Shizuoka, Japan
Audio equipment,Gasoline,Loudspeaker,
...[+2]
patent citation: 285
2
Hoshino Gakki Co. Ltd.
Kyoto, Japan
Guitar,Music,Electronics,
...[+2]
patent citation: 181
3
Roland Corp.
Shizuoka, Japan
Piano,Software,Music,
...[+2]
patent citation: 17
4
Korg, Inc.
Tokyo, Japan
Music,Piano,Drum,
...[+2]
patent citation: 5
5
Kureha Corp.
Hokkaido, Japan
Chemical engineering,Polyvinylidene fluoride,Wallpaper,
...[+2]
patent citation: 1

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