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For the Inventor, By the Inventor

Tokyo, Japan

Aloka Co., Ltd.

Calculating rank
USPTO Granted Patents = 93

% Expired Patents = 25.8


Trademarks = 4

Forward Citations = 2,334

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95 inventors (with patents filed for the assignee):

goldMedal Naoki Ohtomo (13 out of 13 patents)

silverMedal Kouroku Namekawa (9 out of 9 patents)

bronzeMedal Takashi Mochizuki (8 out of 27 patents)

4.  Masaru Murashita (7 out of 21 patents)

5.  Radu Alexandru (7 out of 9 patents)

6.  Akimitsu Harada (5 out of 7 patents)

7.  Tadashi Tamura (4 out of 24 patents)

8.  Akifumi Ohtake (4 out of 4 patents)

9.  Shigeo Kimura (4 out of 37 patents)

10.  Akira Koyano (4 out of 5 patents)

11.  Ryoichi Sakai (3 out of 10 patents)

12.  Hideki Takeuchi (3 out of 3 patents)

13.  Shohei Sato (3 out of 3 patents)

14.  Shizuo Ninomiya (3 out of 3 patents)

15.  Toshiyuki Matsunaka (3 out of 3 patents)


Core Competencies:
Ultrasonic Imaging
Diagnostic Apparatus
Image Processing
Ultrasound Receive Beamformer
Bone Assessment
Elasticity Imaging
Radiation Measurement
Doppler Ultrasonic
Signal Processing
Medical Devices
Ultrasonic Probe
Data Processing

93 patents:

1. 8128565 - Heat reducing ultrasound diagnostic apparatus (2012-03-06),
2. 7981037 - Ultrasound diagnosis apparatus (2011-07-19),
3. 7938778 - Ultrasound diagnosis apparatus (2011-05-10),
4. 7912884 - Method and apparatus for implementing finite impulse response filters without the use of multipliers (2011-03-22),
5. 7841983 - Ultrasonic diagnostic apparatus (2010-11-30),
6. 7806824 - Ultrasound diagnosis apparatus (2010-10-05),
7. 7806823 - Ultrasonic diagnostic apparatus (2010-10-05),
8. 7804736 - Delay controller for ultrasound receive beamformer (2010-09-28),
9. 7798967 - Ultrasound diagnosis apparatus (2010-09-21),
10. 7734447 - Radiation measuring device and data processing method (2010-06-08),
11. 7727192 - Puncture adapter for use in ultrasonic diagnosis (2010-06-01),
12. 7664326 - Method and apparatus of image processing to detect and enhance edges (2010-02-16),
13. 7662100 - Ultrasonic diagnostic device (2010-02-16),
14. 7655912 - Direction finding radiation detector, and radiation monitoring method and apparatus (2010-02-02),
15. 7635333 - Ultrasound diagnostic apparatus (2009-12-22),
Company Overview
Aloka Co., Ltd., based in Tokyo, specializes in the development and manufacturing of advanced ultrasound diagnostic equipment. The company is renowned for its innovations in ultrasonic imaging and diagnostic apparatus, focusing on enhancing medical imaging capabilities. Key technology areas include image processing, ultrasound receive beamforming, and applications in bone assessment and elasticity imaging. Aloka's commitment to precision and reliability in radiation measurement and Doppler ultrasonic technologies positions it as a leader in the medical diagnostics field.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

93 Patents

#571 in Tokyo

#1,178 in Japan

#8,309 in the World

Tokyo, JP
Tokyo, Japan

Aloka Co., Ltd.

Forward Citations = 2,334

95 inventors:

goldMedal Naoki Ohtomo (13 out of 13 patents)

silverMedal Kouroku Namekawa (9 out of 9 patents)

bronzeMedal Takashi Mochizuki (8 out of 27 patents)

4.  Masaru Murashita (7 out of 21 patents)

5.  Radu Alexandru (7 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aloka Co., Ltd.. Retrieved from https://idiyas.com/company/aloka-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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