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For the Inventor, By the Inventor

San Jose, CA, United States of America

Kishio Yokouchi

This inventor holds 51 USPTO granted patents, primarily in Optical Interconnections (CPC class 5281). Top assignees: Fujitsu Corporation, Nippon Zeon Company, Ltd., Shinko Electric Industries Co., Ltd.. Active years: 1982-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kishio Yokouchi. Retrieved from https://idiyas.com/inventor/kishio-yokouchi

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

USPTO Granted Patents = 51

% Patents Active = 51.0

Average Co-Inventor Count = 2.8

ph-index = 13

Forward Citations = 644(Granted Patents)

Forward Citations (Not Self Cited) = 622(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Koganei, JP (1982)
  • Zama, JP (1987 - 1991)
  • Machida, JP (1994 - 2001)
  • Kanagawa, JP (1998 - 2007)
  • San Jose, CA (US) (2005 - 2008)
  • Tokyo, JP (2007 - 2009)
  • Kawasaki, JP (1993 - 2012)

Company Filing History:

goldMedal47 out of 39,374 
 
Fujitsu Corporation
 patents
silverMedal7 out of 598 
 
Nippon Zeon Company, Ltd.
 patents
bronzeMedal3 out of 1,704 
 
Shinko Electric Industries Co., Ltd.
 patents
4. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1982-2012

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Areas of Expertise:
Optical Interconnects
Flexible Waveguides
Optical Couplers
High Density Interconnections
Micro-Lens Array
Variable Optical Attenuator
Tunable Optical Devices
Opto-Electronic Processors
Substrate Optical Waveguides
Polyimide Resin Composition
Multi-Layer Wiring Boards
Bragg Diffractive Gratings
51 patents (USPTO):Explore Patents
1. 8186053 - Circuit board and method of manufacturing the same (2012-05-29),
2. 8161636 - Circuit board and method of manufacturing the same (2012-04-24),
3. 7999193 - Wiring substrate and method of manufacturing the same (2011-08-16),
4. 7504014 - High density interconnections with nanowiring (2009-03-17),
5. 7489842 - Attachment-type optical coupler apparatuses (2009-02-10),
6. 7453058 - Optical bumps for low-loss interconnection between a device and its supported substrate and related methods (2008-11-18),
7. 7418165 - Flexible optical waveguides for backplane optical interconnections (2008-08-26),
8. 7376295 - Opto-electronic processors with reconfigurable chip-to-chip optical interconnections (2008-05-20),
9. 7329481 - Substrate optical waveguides having fiber-like shape and methods of making the same (2008-02-12),
10. 7283220 - Methods and apparatuses for measuring the refractive index and other optical properties of liquids, gels, and solids (2007-10-16),
11. 7277611 - Optical interconnect platform including Bragg diffractive gratings in a bulk material (2007-10-02),
12. 7257295 - Attachment-type optical coupler apparatuses (2007-08-14),
13. 7229219 - Apparatuses and methods for integrating opto-electric components into the optical pathways of routing substrates with precision optical coupling and compact electrical interconnection (2007-06-12),
14. 7224881 - Variable optical attenuator (2007-05-29),
15. 7209621 - Optical apparatuses providing optical interconnections among a plurality of electronic components (2007-04-24),

Title: The Innovative Contributions of Kishio Yokouchi in Circuit Board Technology

Introduction: Kishio Yokouchi is a prominent inventor based in San Jose, CA, holding an impressive portfolio of 51 patents. His work primarily focuses on advancements in circuit board technology, which are critical to modern electronics. Yokouchi's innovations improve the performance, reliability, and manufacturability of circuit boards, making significant contributions to the field.

Latest Patents: Among his notable patents, two stand out, both relating to a circuit board and the method of manufacturing it. These patents describe a circuit board featuring plated through holes arranged with a fine pitch that meets requisite characteristics, including strength and thermal expansion coefficients. The manufacturing method involves several key steps, such as forming a core portion through thermal compression bonding of prepregs containing carbon fibers. The process includes forming through holes that align with these fibers and creating conductive layers without interfering with them. This innovative approach enhances both the structural integrity and functional performance of circuit boards.

Career Highlights: Kishio Yokouchi's extensive career includes significant positions at Fujitsu Corporation and Nippon Zeon Company, Ltd. These experiences allowed him to harness his expertise in technology and drive forward the development of new solutions in the electronics industry.

Collaborations: Throughout his career, Yokouchi has collaborated with esteemed professionals in the field, including Yasuhiro Yoneda and Nobuo Kamehara. These collaborations have fostered a dynamic environment for creativity and innovation, resulting in the successful development of advanced circuit board technologies.

Conclusion: Kishio Yokouchi's substantial contributions to circuit board innovation have had a marked impact on the electronics industry. With a record of 51 patents, his work continues to influence the evolution of circuit board technology, showcasing the importance of inventive thinking in driving progress. As technology advances, Yokouchi's innovations will undoubtedly play a pivotal role in shaping the future of electronics.

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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