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Top 20 Key Players companies in Headphone amplifier
by Highest Patent Value in the Japan in 2020

The Headphone amplifier top 20 is Discovery PatSnap’ annual ranking of the top 20 Highest Patent Value Headphone amplifier Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A headphone amplifier is a low-powered audio amplifier designed particularly to drive headphones worn on or in the ears, instead of loudspeakers in speaker enclosures. Most commonly, headphone amplifiers are found embedded in electronic devices that have a headphone jack, such as integrated amplifiers, portable music players (e.g., iPods), and televisions. However, standalone units are used, especially in audiophile markets and in professional audio applications, such as music studios. Headphone amplifiers are available in consumer-grade models used by hi-fi enthusiasts and audiophiles and professional audio models, which are used in recording studios.
#
Company Name
Region
Tech Topics
Total
1
Hitachi Ltd.
Elevator,Electrical equipment,Electric motor,
...[+2]
Avg patent value: 0
2
Panasonic Holdings Corp.
Semiconductor,Industrial engineering,Electronics,
...[+2]
Avg patent value: 0
3
TOSHIBA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
Avg patent value: 0
4
Fujitsu Ltd.
Cloud computing,Enterprise software,Information technology management,
...[+2]
Avg patent value: 0
5
Sony Group Corp.
Computer hardware,Software,Music,
...[+2]
Avg patent value: 0
6
Nissan Motor Co., Ltd.
Truck,Public transport,Automotive engineering,
...[+2]
Avg patent value: 0
7
Sharp Corp.
Computer hardware,Electronics,Telecommunications,
...[+2]
Avg patent value: 0
8
Seiko Epson Corp.
Wearable technology,Projector,Electronics,
...[+2]
Avg patent value: 0
9
Brother Industries, Ltd.
Computer hardware,Electronics,Digital printing,
...[+2]
Avg patent value: 0
10
Yamaha Corp.
Audio equipment,Gasoline,Loudspeaker,
...[+2]
Avg patent value: 0
11
Renesas Electronics Corp.
Semiconductor,Microcontroller,Electronics,
...[+2]
Avg patent value: 0
12
Fujitsu General Ltd.
Air conditioning,Automation,Mechanical engineering,
...[+2]
Avg patent value: 0
13
Roland Corp.
Piano,Software,Music,
...[+2]
Avg patent value: 0
14
Pioneer Corp.
Navigation system,Laserdisc player,Electronic product,
...[+2]
Avg patent value: 0
15
SANYO Electric Co., Ltd.
Semiconductor,Computer hardware,Software,
...[+2]
Avg patent value: 0
16
TEAC Corp.
Audio equipment,Electronics,Peripheral,
...[+2]
Avg patent value: 0
17
Koshidaka Holdings Co., Ltd.
Hot spring,Physical fitness
Avg patent value: 0
18
HKS Co., Ltd.
Interior design,Turbocharger,Automotive engineering,
...[+2]
Avg patent value: 0
19
NTT DoCoMo, Inc.
Telecommunications,Wireless,Mobile device,
...[+2]
Avg patent value: 0
20
Onkyo Home Entertainment Corp.
Receiver,Loudspeaker,Computer hardware,
...[+2]
Avg patent value: 0
Page generation time: May 22 2025