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For the Inventor, By the Inventor

Kokubunji, Japan

Yasushi Akao

This inventor holds 52 USPTO granted patents and 2 published patent applications, primarily in Microcomputer Technology (CPC class 3642). Top assignees: Hitachi, Ltd., Hitachi Microcomputer System, Ltd., Hitachi Vlsi Engineering Corp.. Active years: 1986-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Akao. Retrieved from https://idiyas.com/inventor/yasushi-akao

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

USPTO Granted Patents = 52 

% Patents Active = 84.6

Average Co-Inventor Count = 5.8

ph-index = 17

Forward Citations = 827(Granted Patents)

Forward Citations (Not Self Cited) = 810(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ithaca, NY (US) (1989 - 1993)
  • Kodaira, JP (1986 - 2006)
  • Kokubunji, JP (1991 - 2009)

Company Filing History:

goldMedal41 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
bronzeMedal6 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
4. 5 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
5. 5 out of 3,781 
 
Renesas Technology Corp.
 patents
6. 1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
7. 6 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2009

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Areas of Expertise:
Microcomputer
Data Processing
Semiconductor
Central Processing Unit
Single-Chip Microcomputer
Integrated Circuit
Bus Structure
Digital Signal Processing
Instruction Queue
Memory Control
Variable Bit Width
Master-Slave Modes
52 patents (USPTO):Explore Patents
1. 7558944 - Microcomputer (2009-07-07),
2. 7363466 - Microcomputer (2008-04-22),
3. 7069423 - Microcomputer (2006-06-27),
4. 7054990 - External storage device using non-volatile semiconductor memory (2006-05-30),
5. 6996700 - Microcomputer and dividing circuit (2006-02-07),
6. 6889240 - Data processing device having a central processing unit and digital signal processing unit (2005-05-03),
7. 6748507 - Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory (2004-06-08),
8. 6735683 - Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements (2004-05-11),
9. 6668266 - Data processing device having a central processing unit and digital signal processing unit (2003-12-23),
10. 6591294 - Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals (2003-07-08),
11. 6434690 - Microprocessor having a DSP and a CPU and a decoder discriminating between DSP-type instructions and CUP-type instructions (2002-08-13),
12. 6405302 - Microcomputer (2002-06-11),
13. 6367050 - Semiconductor integrated circuit device (2002-04-02),
14. 6351788 - Data processor and data processing system (2002-02-26),
15. 6343357 - Microcomputer and dividing circuit (2002-01-29),

Title: Yasushi Akao: Pioneering Inventor from Kokubunji

Introduction: Yasushi Akao is a renowned inventor hailing from Kokubunji, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Yasushi Akao holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Yasushi Akao has worked with leading research institutions and tech companies, developing cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Yasushi Akao has collaborated with top engineers, scientists, and inventors, fostering a culture of innovation and pushing the boundaries of what is possible in the tech world.

Conclusion: Yasushi Akao's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology, inspiring future generations of inventors to dream big and create the impossible.

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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