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For the Inventor, By the Inventor

Nagano, Japan

Kenji Yanagisawa

This inventor holds 60 USPTO granted patents and 6 published patent applications, primarily in Optical Waveguides (CPC class G02B). Top assignees: Shinko Electric Industries Co., Ltd., Seiko Epson Corporation, Shinko Electric Industries Inc., Ltd.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Yanagisawa. Retrieved from https://idiyas.com/inventor/kenji-yanagisawa

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

USPTO Granted Patents = 60 

% Patents Active = 98.3

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 676(Granted Patents)

Forward Citations (Not Self Cited) = 640(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Matsumoto, JP (2010)
  • Suwa, JP (2003 - 2011)
  • Torrance, CA (US) (2011)
  • Nagano-ken, JP (2004 - 2015)
  • Nagano, JP (2006 - 2023)
  • Azumino, JP (2008 - 2024)

Company Filing History:

goldMedal37 out of 1,704 
 
Shinko Electric Industries Co., Ltd.
 patents
silverMedal22 out of 34,268 
 
Seiko Epson Corporation
 patents
bronzeMedal1 out of 42 
 
Shinko Electric Industries Inc., Ltd.
 patents

Years Active: 2003-2026

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Areas of Expertise:
Optical Connector
Image Forming Apparatus
Optical Module
Optical Waveguide
Light Emitter
Printing Device
Optical Substrate
Photoelectric Mixed Substrate
Optical Transceiver
Ultraviolet Curing
Optical Communication Device
Laminated Wiring Board
60 patents (USPTO):Explore Patents
1. 12756788 - Image forming apparatus comprising a first light emitter along a vertical direction that intersects with a second light emitter along another direction on the border of an internal discharge space front wall surface of the housing (2026-10-06),
2. 12529850 - Optical connector (2026-01-20),
3. 12132878 - Image forming apparatus including a light emitter for indicating a status of the image forming apparatus (2024-10-29),
4. D1045978 - Printer (2024-10-08),
5. 12079674 - Laying sheet disposed between printing device and installation surface (2024-09-03),
6. 11811988 - Image-forming apparatus (2023-11-07),
7. 11765303 - Image forming apparatus comprising an inner discharge space and a light emitting section located at the border between the inner space and the lower part of the housing (2023-09-19),
8. 11550107 - Optical waveguide substrate and method for manufacturing optical waveguide (2023-01-10),
9. 11378763 - Optical waveguide having support member, optical waveguide mounting substrate and optical transceiver (2022-07-05),
10. 11372175 - Optical module (2022-06-28),
11. D944319 - Printing workroom interior (2022-02-22),
12. 11125954 - Optical waveguide and optical waveguide device (2021-09-21),
13. 10935719 - Optical waveguide having support member, optical waveguide mounting substrate and optical transceiver (2021-03-02),
14. 10928598 - Optical waveguide mounting substrate and optical communication device (2021-02-23),
15. 10466428 - Optical waveguide device and lens component (2019-11-05),

Title: Kenji Yanagisawa: A Pioneer in Image Forming Technology

Introduction: Kenji Yanagisawa, an innovative inventor based in Nagano, Japan, has made significant contributions to the field of image forming technology. With an impressive portfolio of 58 patents, he has been instrumental in developing advancements that enhance the functionality and usability of imaging devices.

Latest Patents: One of Kenji's latest patents details an image forming apparatus that includes a light emitter to indicate the status of the device. This invention features an internal discharge space defined between the image reading section and the image forming section, with an opening at the front of the apparatus. The design allows a light emitting section to be integrated along the border of this opening, enabling users to easily check the status of the image forming apparatus from a distance through visible light emissions. Such innovative solutions not only improve user experience but also enhance the operational efficiency of printers.

Career Highlights: Kenji Yanagisawa has been associated with well-respected companies in the technology sector, notably Shinko Electric Industries Co., Ltd. and Seiko Epson Corporation. His work in these organizations has led to groundbreaking developments in imaging technologies, making him a renowned figure in the industry.

Collaborations: Throughout his career, Kenji has collaborated with talented individuals such as Takanori Yamamoto and Hideki Yonekura. Their joint efforts have contributed to the advancement of imaging technologies and the successful filing of numerous patents that address industry challenges.

Conclusion: Kenji Yanagisawa stands out as a key innovator in the realm of image forming technologies. His ongoing commitment to research and development continues to drive advancements, making him an influential inventor whose work positively impacts the industry. With 58 patents to his name, his legacy will undoubtedly inspire future generations of innovators.

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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