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For the Inventor, By the Inventor

Yokohama, Japan

Mikio Shiraishi

This inventor holds 67 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Semiconductor Devices (CPC class G03B). Top assignees: Hitachi, Ltd., Kabushiki Kaisha Toshiba, Kioxia Corporation. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mikio Shiraishi. Retrieved from https://idiyas.com/inventor/mikio-shiraishi

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

USPTO Granted Patents = 67 

% Patents Active = 85.1

 

Average Co-Inventor Count = 2.2

ph-index = 13

Forward Citations = 606(Granted Patents)

Forward Citations (Not Self Cited) = 565(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (1999)
  • Tokyo, JP (2007)
  • Yokohama Kanagawa, JP (2015 - 2021)
  • Yokohama, JP (1988 - 2023)

Company Filing History:

goldMedal42 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal16 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal5 out of 3,204 
 
Kioxia Corporation
 patents
4. 3 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
5. 1 out of 67 
 
Hitachi Video Engineering, Incorporated
 patents
6. 1 out of 2,955 
 
Toshiba Memory Corporation
 patents
where one patent can have more than one assignee

Years Active: 1988-2026

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Areas of Expertise:
Semiconductor Integrated Circuit
Memory Device
Display Apparatus
Illumination Unit
Arithmetic Circuit
Optical Equipment
Digital Filter
Projection Type Display
Clock Recovery Circuit
Elastic Buffer
Television Receiver
Liquid Crystal Display
67 patents (USPTO):Explore Patents
1. 12562229 - Semiconductor integrated circuit, semiconductor device, and semiconductor memory device (2026-02-24),
2. 12345765 - Determination device, test system, and generation device (2025-07-01),
3. 12230353 - Bridge chip, semiconductor storage device, and memory system (2025-02-18),
4. 11669304 - Arithmetic device and arithmetic circuit for performing multiplication and division (2023-06-06),
5. 11146274 - Equalizer control device, receiving device, and control method for receiving device (2021-10-12),
6. 10554452 - Electronic device and method of receiving data (2020-02-04),
7. 9071258 - Parallel-serial converter circuit (2015-06-30),
8. 8807819 - Illumination unit and display apparatus using the same (2014-08-19),
9. 8690407 - Illumination unit and display apparatus using the same (2014-04-08),
10. 8657477 - Illumination unit and display apparatus using the same (2014-02-25),
11. 7876553 - Flat-panel display apparatus (2011-01-25),
12. 7832871 - Optical equipment with at least first and second ventilation paths (2010-11-16),
13. D600661 - Television receiver (2009-09-22),
14. 7519746 - Elastic buffer (2009-04-14),
15. 7441904 - Projection type display apparatus with ventilation (2008-10-28),

Title: The Inventor Extraordinaire: Mikio Shiraishi

Introduction:

Mikio Shiraishi, a prolific inventor hailing from Yokohama, Japan, is renowned for his remarkable contributions to the field of technology. With an impressive portfolio of 64 patents under his belt, Shiraishi's innovative spirit continues to shape the landscape of cutting-edge inventions.

Latest Patents:

Among Shiraishi's latest patents is an arithmetic device and arithmetic circuit designed for impeccable multiplication and division operations. This groundbreaking invention showcases his prowess in developing intricate yet efficient computational systems. Additionally, his equalizer control device revolutionizes signal processing by optimizing equalization parameters, setting a new standard in the industry.

Career Highlights:

Having served in esteemed companies such as Hitachi, Ltd. and Toshiba Corporation, Shiraishi's expertise has been instrumental in driving technological advancements. His knack for pioneering solutions that enhance functionality and efficiency has solidified his reputation as a trailblazer in the field of innovation.

Collaborations:

Throughout his illustrious career, Shiraishi has collaborated with esteemed professionals like Yasuo Otsuka and Kenji Fuse. Together, they have pushed the boundaries of technological innovation, fostering a culture of creativity and excellence in their endeavors.

Conclusion:

In conclusion, Mikio Shiraishi stands as a beacon of innovation, with a wealth of patents and groundbreaking inventions that have left an indelible mark on the industry. His dedication to pushing the boundaries of what is possible serves as an inspiration to aspiring inventors and technologists worldwide, ensuring his legacy endures for generations to come.

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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