Qisda Corporation

Taiwan, Province of China

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Total IP 484
Total IP incl. subs 504 (+ 33 for subs)
Total IP Rank # 2,726
IP Activity Score 3.4/5.0    406
IP Activity Rank # 1,738
IP AS incl. subs 3/5.0    421
Stock Symbol 2352 (twse)
ISIN TW0002352002
Market Cap. 70.5B  (TWD)
Industry Computer Systems
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

481 1
0 1
0 0
1
 
Last Patent 2025 - Foldable support frame and elect...
First Patent 1989 - Method for determining phantom s...
Last Trademark 2013 - QISDESIGN
First Trademark 2007 - QISDA

Subsidiaries

2 subsidiaries with IP (25 patents, 8 trademarks)

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Beam projection apparatus and projector thereof. Abeam projection apparatus includes a light sou...
Invention Wireless transmission module for an unmanned aerial vehicle. A wireless transmission module for ...
Invention Lighting-board packaging structure. A lighting-board packaging structure includes a circuit subs...
Invention Projection device. A projection device includes a light source device including a light source, ...
Invention Stereoscopic scanning method, stereoscopic image analysis method and scanning apparatus. A stere...
Invention Display and display manufacturing method. A display having a related manufacturing method includ...
Invention Flexible ultrasonic transducer and flexible ultrasonic transducer module. A flexible ultrasonic ...
Invention Power control method and related electronic device. A power control method is applied to an elec...
Invention Projection device. A projection device includes a light source device including a light source c...
Invention Circuit board connection mechanism and drone device. A circuit board connection mechanism is app...
Invention Three dimensional scanning apparatus. A three dimensional scanning apparatus is used to detect a...
Invention Foldable support frame and electronic device thereof. A foldable support frame includes a substr...
Invention Beam projection apparatus and projector thereof. A beam projection apparatus includes a light so...
Invention Stereoscopic scanning device and stereoscopic scanning method. A stereoscopic scanning device is...
Invention Solid-state light source projector with improved color uniformity. A solid-state light source pr...
Invention Illumination system. An illumination system includes a first light source, a second light source...
Invention Stripe intensity adjustment method and medical scanning apparatus. A stripe intensity adjustment...
Invention Unmanned aerial vehicle control method based on headless mode and remote controller and related a...
Invention Unmanned aerial vehicle and operation method thereof. An unmanned aerial vehicle and an operatio...
2024 Invention Ultrasonic transducer array and ultrasonic probe. Disclosed is an ultrasonic transducer array co...
Invention Reflector and illumination device. A reflector is applied to an illumination device and includes...
Invention Support frame. A support frame is suitable for supporting an electronic body. The support frame ...
Invention Illuminating device. An illuminating device includes a projection device and an imaging device r...
Invention Ultrasonic oscillator element and ultrasonic transducer device. An ultrasonic oscillator element...
Invention Ultrasonic vibration sub-element and ultrasound probe. An ultrasonic vibration sub-element inclu...
Invention Ultrasonic transducer device and ultrasonic probe using the same. An ultrasonic transducer devic...
Invention Ultrasonic sensor and control method thereof. An ultrasonic sensor includes M rows of first capa...
Invention Ultrasonic transducer array and ultrasound probe. An ultrasonic transducer array including a plu...
Invention Illumination module. An illumination module includes a light source configured to emit an illumin...
Invention Projection method and projection system for augmented reality applications. A projection method ...
Invention Display device and audio playing method. This disclosure provides a display device and an audio ...
Invention Diffusion module. A diffusion module including a motor, a washer, and a light diffusive material...
Invention Projector device and light source module. A projector includes a light source module, a light va...
Invention Ultrasonic transceiver and control method thereof. An ultrasonic transceiver device and a contro...
Invention Pixel circuit and display device. A pixel circuit and a display device are provided. The pixel c...
Invention Ultrasonic transducer device and manufacturing method thereof. An ultrasonic transducer device a...
Invention Ultrasonic transducer and ultrasonic probe using the same. An ultrasonic transducer device inclu...
Invention Ultrasonic sensor and manufacturing method thereof. An ultrasonic sensor has a capacitance micro...
Invention Illuminating device. An illuminating device includes: a projection device, a light receiving dev...
Invention Unmanned aerial vehicle having dismantling status determination system and dismantling status det...
Invention Projector device. A projector device including a device body, a first heat dissipation component...
Invention Measurement module and measurement method thereof. A measurement module is adapted to be dispose...
Invention Ultrasonic module and ultrasonic probe having the same. The present disclosure is related to an ...
Invention Computer operating system and operating method thereof. A computer operating system is provided....
Invention Probe and method of fabricating ultrasonic transducer unit. A probe including a shell, an ultras...
Invention Illuminating device having two light sources generating different etendues and respective light r...
Invention Three-dimensional image generation method for generating an image according to two images of diff...
Invention Lamp
2013 G/S Electric illumination devices, namely, recessed light fixtures, miniature cabinet recessed lights...
2007 G/S Monitors (computer hardware); display monitors; computer liquid crystal display monitors; overhea...
G/S (Based on 44e) Computer hardware, namely, computer monitors; computer liquid crystal display moni...