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For the Inventor, By the Inventor

Kawasaki, Japan

Kazuaki Oishi

This inventor holds 32 USPTO granted patents and 1 published patent application, primarily in Wireless Communication. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited, Socionext Inc.. Active years: 1998-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuaki Oishi. Retrieved from https://idiyas.com/inventor/kazuaki-oishi

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

Calculating rank
USPTO Granted Patents = 32 

% Patents Active = 43.8

Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 123(Granted Patents)


Location History:

  • Kawasaki, JP (1998 - 2014)
  • Yokohama, JP (2013 - 2023)

Company Filing History:

goldMedal30 out of 39,378 
 
Fujitsu Corporation
 patents
silverMedal3 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
bronzeMedal1 out of 711 
 
Socionext Inc.
 patents
where one patent can have more than one assignee

Years Active: 1998-2023

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Areas of Expertise:
Wireless Communication
Power Amplifier
Semiconductor Integrated Circuit
Signal Generation
Amplifier Circuit
Noise Cancellation
Filter Circuit
Transconductance
Fractional N-Frequency Synthesizer
Bias Circuit
Poly-Phase Filter
Correction Circuit
32 patents (USPTO):Explore Patents
1. 11770142 - Wireless communication apparatus (2023-09-26),
2. 10348260 - Amplifier circuit and filter (2019-07-09),
3. 10050587 - Power amplifier circuit and semiconductor integrated circuit (2018-08-14),
4. 9807689 - Communication device, method and communication system (2017-10-31),
5. 9614440 - Power supply device and semiconductor integrated circuit device (2017-04-04),
6. 9450549 - Differential amplification circuit (2016-09-20),
7. 9270265 - Power on reset circuit, power supply circuit, and power supply system (2016-02-23),
8. 9225288 - Signal generation circuit (2015-12-29),
9. 9099977 - Amplifier circuit (2015-08-04),
10. 9007248 - MASH sigma-delta modulator and DA converter circuit (2015-04-14),
11. 8938204 - Signal generator circuit and radio transmission and reception device including the same (2015-01-20),
12. 8872582 - Amplifier circuit (2014-10-28),
13. 8797111 - Poly-phase filter, and a single-side band mixer including the same (2014-08-05),
14. 8604955 - Filter, and transmitter and receiver having the same (2013-12-10),
15. 8482344 - Frequency-variable filter (2013-07-09),

Title: Kazuaki Oishi - Pioneering Inventor from Kawasaki, JP

Introduction: Kazuaki Oishi is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Oishi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Oishi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Oishi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

Conclusion: Kazuaki Oishi's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his position as a trailblazer in the world of inventors, inspiring the next generation of innovators to push the limits of what is possible.

Profile summary based on public USPTO records.
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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