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For the Inventor, By the Inventor

Hino, Japan

Kunihiro Tsubosaki

This inventor holds 85 USPTO granted patents, primarily in Semiconductor Manufacturing (CPC class H01L2-144). Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Microcomputer System, Ltd.. Active years: 1989-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiro Tsubosaki. Retrieved from https://idiyas.com/inventor/kunihiro-tsubosaki

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

USPTO Granted Patents = 85

% Patents Active = 82.4

Average Co-Inventor Count = 6.6

ph-index = 19

Forward Citations = 1,276(Granted Patents)

Forward Citations (Not Self Cited) = 1,231(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Tokyo, JP (2002 - 2003)
  • Hino-shi, Tokyo, JP (2002 - 2003)
  • Shinjuku-Ku, JP (2004 - 2005)
  • Hino, JP (1989 - 2012)

Company Filing History:

goldMedal55 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal9 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal6 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
4. 6 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
5. 3 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
6. 2 out of 29,869 
 
Texas Instruments Corporation
 patents
7. 1 out of 8 
 
Akita Electronics Systems Co., Ltd.
 patents
8. 1 out of 836 
 
Hitachi Cable, Inc.
 patents
9. 1 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
10. 1 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
11. 1 out of 7,651 
 
Renesas Electronics Corporation
 patents
12. 17 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2012

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Areas of Expertise:
Semiconductor Device
Integrated Circuit
Fabrication Process
Heat Radiation
Ball Grid Array
Wafer Processing
Plastic Molded Type
Adhesive Film
Circuit Tape
Thin Device Mounting
Manufacturing Method
Electrical Parts
85 patents (USPTO):Explore Patents
1. RE43443 - Leadframe semiconductor integrated circuit device using the same, and method of and process for fabricating the two (2012-06-04),
2. 7678706 - Method of manufacturing a semiconductor device (2010-03-16),
3. 7420284 - Semiconductor device and manufacturing method thereof (2008-09-02),
4. 7247576 - Method of manufacturing a semiconductor device (2007-07-24),
5. 7202570 - Circuit tape having adhesive film semiconductor device and a method for manufacturing the same (2007-04-10),
6. 7091620 - Semiconductor device and manufacturing method thereof (2006-08-15),
7. 6989334 - Manufacturing method of a semiconductor device (2006-01-24),
8. 6943456 - Plastic molded type semiconductor device and fabrication process thereof (2005-09-13),
9. 6919622 - Semiconductor device (2005-07-19),
10. 6906429 - Semiconductor device and method of fabricating the same (2005-06-14),
11. 6808962 - Semiconductor device and method for fabricating the semiconductor device (2004-10-26),
12. 6803258 - Semiconductor device (2004-10-12),
13. 6791194 - Circuit tape having adhesive film, semiconductor device, and a method for manufacturing the same (2004-09-14),
14. 6759272 - Semiconductor device and manufacturing method thereof (2004-07-06),
15. 6720208 - Semiconductor device (2004-04-13),

Title: The Innovative Journey of Inventor Kunihiro Tsubosaki

Introduction: Kunihiro Tsubosaki, a talented male inventor hailing from Hino, Japan, has made significant contributions to the field of innovations with his creative mind and dedication to technological advancements.

Latest Patents: Kunihiro Tsubosaki holds several patents in various technological domains, showcasing his versatility and expertise in inventing cutting-edge solutions to real-world problems.

Career Highlights: Throughout his illustrious career, Kunihiro Tsubosaki has been recognized for his groundbreaking inventions that have revolutionized industries such as robotics, electronics, and automotive technology. His commitment to pushing the boundaries of innovation has earned him a reputation as a visionary inventor.

Collaborations: Kunihiro Tsubosaki has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful development and commercialization of several groundbreaking technologies.

Conclusion: In conclusion, Kunihiro Tsubosaki's passion for innovation, coupled with his technical expertise, has established him as a prominent figure in the world of inventors. His relentless pursuit of excellence continues to inspire the next generation of innovators to push the boundaries of what is possible.

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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