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For the Inventor, By the Inventor

Ikoma, Japan

Koichi Kumagai

This inventor holds 11 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1991-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Kumagai. Retrieved from https://idiyas.com/inventor/koichi-kumagai

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

USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 199(Granted Patents)


Company Filing History:

goldMedal11 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1991-2006

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11 patents (USPTO):Explore Patents
1. 7036221 - Method of manufacturing a semiconductor element-mounting board (2006-05-02),
2. 6496957 - Design evaluating method and apparatus for assisting circuit-board assembly (2002-12-17),
3. 6332268 - Method and apparatus for packaging IC chip, and tape-shaped carrier to be used therefor (2001-12-25),
4. 6265673 - Semiconductor element-mounting board and semiconductor device (2001-07-24),
5. 6165595 - Component mounting board, process for producing the board, and process (2000-12-26),
6. 5686353 - Semiconductor device and manufacturing method thereof (1997-11-11),
7. 5443382 - Atmospheric oven (1995-08-22),
8. 5370531 - Atmospheric oven (1994-12-06),
9. 5248852 - Resin circuit substrate and manufacturing method therefor (1993-09-28),
10. 5118556 - Film material for film carrier manufacture and a method for (1992-06-02),
11. 5043223 - Multilayer ceramic substrate and method for making the same (1991-08-27),

Title: Koichi Kumagai: Innovator in Semiconductor Technology

Introduction

Koichi Kumagai is a prominent inventor based in Ikoma, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 11 patents. His work focuses on improving the manufacturing processes and design evaluations for semiconductor elements and circuit boards.

Latest Patents

Kumagai's latest patents include a method of manufacturing a semiconductor element-mounting board. This innovative method involves providing a base member and linear conductive members formed of metallic wires. The conductive members are designed to extend linearly between a semiconductor element-mounting face and a circuit board-mounting face of the base member, and they are integrally molded within the base member. Additionally, he has developed a design evaluating method and apparatus for assisting circuit-board assembly. This invention aims to achieve high-quality, low-cost assembly by numerically evaluating differences between targeted circuit designs and actual implementations. It includes an evaluation executing unit that reads design evaluation programs from recording media, allowing for the assessment of circuit design appropriateness before manufacturing.

Career Highlights

Koichi Kumagai is currently employed at Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His work has been instrumental in advancing semiconductor technologies and improving manufacturing processes.

Collaborations

Kumagai has collaborated with notable coworkers, including Shinji Shimazaki and Kazushi Higashi. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Koichi Kumagai's innovative contributions to semiconductor technology and circuit board assembly have established him as a key figure in his field. His patents reflect a commitment to enhancing manufacturing processes and design evaluations, paving the way for future advancements in 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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