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For the Inventor, By the Inventor

Tokyo, Japan

Goro Kitsukawa

This inventor holds 70 USPTO granted patents, primarily in Semiconductor Memory (CPC class 3652). Top assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd., Texas Instruments Corporation. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Goro Kitsukawa. Retrieved from https://idiyas.com/inventor/goro-kitsukawa

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

Calculating rank
USPTO Granted Patents = 70

% Patents Active = 87.1

Average Co-Inventor Count = 5.6

ph-index = 17

Forward Citations = 946(Granted Patents)

Forward Citations (Not Self Cited) = 931(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nishitama, JP (1987 - 1991)
  • Nishitama-gun, Tokyo, JP (1991)
  • Hirai, JP (1996)
  • Kisarazu, JP (2001 - 2003)
  • Nishitama-gun, JP (2005 - 2007)
  • Tokyo, JP (1989 - 2008)
  • Hinodemachi, JP (1993 - 2008)
  • HInode, JP (1992 - 2009)
  • Kamakura, JP (2008 - 2011)

Company Filing History:

goldMedal54 out of 42,752 
 
Hitachi, Ltd.
 patents
silverMedal11 out of 217 
 
Hitachi Device Engineering Co., Ltd.
 patents
bronzeMedal6 out of 29,936 
 
Texas Instruments Corporation
 patents
4. 4 out of 3,781 
 
Renesas Technology Corp.
 patents
5. 3 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
6. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
7. 1 out of 1 
 
Hitachi Ltd, of Japan
 patent
8. 1 out of 6 
 
Rising Silicon, Inc.
 patents
9. 1 out of 4 
 
Vlsi Engineering Corporation
 patents
10. 7 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2011

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Areas of Expertise:
Semiconductor Memory
Large-Capacity Memory
Sub-Amplifiers
Power Supply
Signal Buses
Integrated Circuit
Dynamic RAM
Memory Regulator
Sense Amplifier
Voltage Circuit
Operational Speed
Manufacturing Method
70 patents (USPTO):Explore Patents
1. RE42659 - Large-capacity semiconductor memory with improved layout for sub-amplifiers to increase speed (2011-08-29),
2. RE41379 - Large-Capacity semiconductor memory with improved layout for sub-amplifiers to increase operational speed (2010-06-14),
3. 7638871 - Semiconductor device (2009-12-29),
4. 7400034 - Semiconductor device (2008-07-15),
5. RE40356 - Large-capacity semiconductor memory with improved layout for sub-amplifiers to increase operational speed (2008-06-02),
6. 7323727 - System with meshed power and signal buses on cell array (2008-01-29),
7. 7211842 - System with meshed power and signal buses on cell array (2007-05-01),
8. 7002856 - Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions (2006-02-21),
9. RE38944 - Semiconductor memory (2006-01-23),
10. 6970391 - Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions (2005-11-29),
11. 6967371 - System with meshed power and signal buses on cell array (2005-11-22),
12. 6864559 - Semiconductor memory device (2005-03-08),
13. 6831317 - System with meshed power and signal buses on cell array (2004-12-14),
14. 6815742 - System with meshed power and signal buses on cell array (2004-11-09),
15. 6740958 - Semiconductor memory device (2004-05-25),

Title: Goro Kitsukawa - Innovative Inventor from Tokyo

Introduction: Goro Kitsukawa is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Goro Kitsukawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Goro Kitsukawa has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Goro Kitsukawa has collaborated with top researchers and scientists from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Goro Kitsukawa's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible in the world of technology.

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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