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For the Inventor, By the Inventor

Hachioji, Japan

Hirokazu Aoki

This inventor holds 29 USPTO granted patents, primarily in Semiconductor Technology. Top assignees: Hitachi, Ltd., Hitachi Vlsi Engineering Corp., Renesas Technology Corp.. Active years: 1978-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Aoki. Retrieved from https://idiyas.com/inventor/hirokazu-aoki

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

USPTO Granted Patents = 29

% Patents Active = 93.1

Average Co-Inventor Count = 4.8

ph-index = 13

Forward Citations = 401(Granted Patents)


Location History:

  • Kokubunji, JP (1978)
  • Hachioiji, JP (1984)
  • Hachiohji, JP (1989 - 1990)
  • Tokyo, JP (1993)
  • Hachioji, JP (1981 - 2005)
  • Hachiouji, JP (2004 - 2005)

Company Filing History:

goldMedal23 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal6 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
bronzeMedal2 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 1 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
5. 1 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
6. 1 out of 12 
 
Kogyo Gijutsuin
 patents
7. 3 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2005

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Areas of Expertise:
Phase-Locked Loop Circuit
Information Processing Apparatus
Semiconductor Integrated Circuit
Timing-Control Circuit Device
Multi-Processor System
Static Memory
Content-Addressed Memory
Magnetic Bubble Memory
Cache Apparatus
Address Translation Unit
Bus Cycle Termination
Drive Circuit
29 patents (USPTO):Explore Patents
1. 6947514 - Phase-locked loop circuit, information processing apparatus, and information processing system (2005-09-20),
2. 6922113 - Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length there between (2005-07-26),
3. 6879188 - Semiconductor integrated circuit device (2005-04-12),
4. 6683503 - Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length therebetween (2004-01-27),
5. 6515519 - Semiconductor integrated circuit device (2003-02-04),
6. 6489824 - Timing-control circuit device and clock distribution system (2002-12-03),
7. 6300807 - Timing-control circuit device and clock distribution system (2001-10-09),
8. 5454087 - Branching system for return from subroutine using target address in (1995-09-26),
9. 5287484 - Multi-processor system for invalidating hierarchical cache (1994-02-15),
10. 5283886 - Multiprocessor cache system having three states for generating (1994-02-01),
11. 5267198 - Static memory containing sense amp and sense amp switching circuit (1993-11-30),
12. 5202969 - Single-chip-cache-buffer for selectively writing write-back and (1993-04-13),
13. 5193075 - Static memory containing sense AMP and sense AMP switching circuit (1993-03-09),
14. 5146573 - Single chip cache with partial-write circuit for transferring a (1992-09-08),
15. 5140681 - Multi-processing system and cache apparatus for use in the same (1992-08-18),

Title: Unveiling the Inventive Mind of Hirokazu Aoki

Introduction:

Hirokazu Aoki, a prolific inventor hailing from Hachioji, Japan, has made significant contributions to the field of technology with an impressive portfolio of 29 patents under his name.

Latest Patents:

Aoki's latest patents showcase his expertise in cutting-edge technologies, including the development of a phase-locked loop circuit for broad band operations and a semiconductor integrated circuit with oscillators connected to wiring lines at specific intervals.

Career Highlights:

Having worked with renowned companies such as Hitachi, Ltd. and Hitachi VLSI Engineering Corp., Hirokazu Aoki has honed his skills and knowledge in the tech industry, shaping his innovative approach to problem-solving and invention.

Collaborations:

Throughout his career, Aoki has collaborated with esteemed professionals in the field, including his coworkers Kunio Uchiyama and Takashi Toyooka. These collaborations have led to the creation of groundbreaking technologies and solutions.

Conclusion:

In conclusion, Hirokazu Aoki's dedication to innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor. His contributions to the realm of patents and inventions continue to inspire future generations of inventors and technologists.

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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