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For the Inventor, By the Inventor

Hachioji, Japan

Masaharu Kubo

This inventor holds 59 USPTO granted patents, primarily in Semiconductor Devices (CPC class 357 ). Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Denshi Kabushiki Kaisha. Active years: 1976-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Kubo. Retrieved from https://idiyas.com/inventor/masaharu-kubo

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

USPTO Granted Patents = 59

% Patents Active = 84.7

Average Co-Inventor Count = 4.6

ph-index = 18

Forward Citations = 1,217(Granted Patents)

Forward Citations (Not Self Cited) = 1,197(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hachioji, JA (1976 - 1978)
  • Hachiouji, JP (1996 - 1998)
  • Hachioji, JP (1979 - 2008)

Company Filing History:

goldMedal46 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal13 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal3 out of 208 
 
Hitachi Denshi Kabushiki Kaisha
 patents
4. 1 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-2008

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Areas of Expertise:
Electronic Circuit Device
Semiconductor Device
Integrated Circuit
Wiring Substrate
Solid-State Imaging
Memory Device
Bipolar Memory
Data Processor
Microcomputer
Back Bias
Thermal Management
Groove Formation
59 patents (USPTO):Explore Patents
1. 7371687 - Electronic circuit device (2008-05-13),
2. 7323771 - Electronic circuit device (2008-01-29),
3. 7138722 - Semiconductor device (2006-11-21),
4. 7091598 - Electronic circuit device (2006-08-15),
5. 7040011 - Wiring substrate manufacturing method (2006-05-09),
6. 7002397 - Method of setting back bias of MOS circuit, and MOS integrated circuit (2006-02-21),
7. 6989600 - Integrated circuit device having reduced substrate size and a method for manufacturing the same (2006-01-24),
8. 6900074 - METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE HAVING PLURAL SEMICONDUCTOR CHIPS, WHEREIN ELECTRODES OF THE SEMICONDUCTOR CHIPS ARE ELECTRICALLY CONNECTED TOGETHER VIA WIRING SUBSTRATES OF THE SEMICONDUCTOR CHIPS (2005-05-31),
9. 6862220 - Semiconductor device (2005-03-01),
10. 6838374 - Semiconductor integrated circuit device and method of fabricating the same (2005-01-04),
11. 6821867 - Method for forming grooves in the scribe region to prevent a warp of a semiconductor substrate (2004-11-23),
12. 6803294 - Semiconductor wafer and manufacturing method of semiconductor device (2004-10-12),
13. 6785165 - Semiconductor device (2004-08-31),
14. 6630731 - Semiconductor device (2003-10-07),
15. 6611012 - Semiconductor device (2003-08-26),

Title: Masaharu Kubo - Innovative Inventor from Hachioji

Introduction: Masaharu Kubo is a renowned inventor hailing from Hachioji, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masaharu Kubo holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Masaharu Kubo has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

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

Conclusion: Masaharu Kubo's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions, inspiring the next generation of inventors to dream big and create change.

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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