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For the Inventor, By the Inventor

Hirakata, Japan

Youhei Nakagawa

This inventor holds 15 USPTO granted patents and 1 published patent application. Top assignee: Sanyo Electric Co., Ltd.. Active years: 2006-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youhei Nakagawa. Retrieved from https://idiyas.com/inventor/youhei-nakagawa

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

USPTO Granted Patents = 15 

% Patents Active = 13.3

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 36(Granted Patents)


Location History:

  • Osaka, JP (2008 - 2009)
  • Hirakata, JP (2006 - 2011)
  • Neyagawa, JP (2009 - 2012)

Company Filing History:

goldMedal15 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents

Years Active: 2006-2012

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15 patents (USPTO):Explore Patents
1. 8320057 - Lens unit and image capturing device (2012-11-27),
2. 8189275 - Lens unit and image capturing device (2012-05-29),
3. 8102607 - Lens unit and image capturing device (2012-01-24),
4. 8000040 - Imaging lens, manufacturing method thereof, and compound lens (2011-08-16),
5. 7916405 - Imaging lens unit, imaging device, and portable terminal (2011-03-29),
6. 7901784 - Optical waveguide, optical transmitter and receiver module, and laminated structure (2011-03-08),
7. 7599120 - Composite lens, manufacturing method for composite lens, and lens module (2009-10-06),
8. 7561774 - Optical waveguide (2009-07-14),
9. 7558008 - Photographing lens unit including plurality of lenses and imaging apparatus with the same (2009-07-07),
10. 7521725 - Optical waveguide and the method of fabricating the same (2009-04-21),
11. 7483616 - Optical waveguide (2009-01-27),
12. 7474476 - Optical lens, compound lens and method for producing the same, as well as cemented lens and method for producing the same (2009-01-06),
13. 7396873 - Organometallic polymer material and process for preparing the same (2008-07-08),
14. 7181121 - Optical device and method for manufacturing the same (2007-02-20),
15. 7054070 - Gradient-index lens and composite optical element utilizing the same (2006-05-30),

Title: Inventor Profile: Youhei Nakagawa

Introduction

Youhei Nakagawa is a notable inventor based in Hirakata, Japan. With a substantial portfolio comprising 15 patents, he has made significant contributions to the field of optical technology. His innovative designs have paved the way for advancements in lens systems and image capturing devices.

Latest Patents

Among his latest inventions, Nakagawa has developed several patents focusing on lens units and image capturing devices. One of his patented designs features a lens unit that includes a first lens with positive power, an aperture stop, and meniscal lenses that possess both negative and positive powers. This intricate arrangement ensures enhanced optical performance and image quality. Another notable patent presents a lens unit incorporating a laminated first lens with a second lens, held together by an aperture stop. These innovative solutions underline Nakagawa's expertise in lens technology.

Career Highlights

Youhei Nakagawa's professional journey includes his association with Sanyo Electric Co., Ltd., a company renowned for its cutting-edge technological advancements. His role at Sanyo Electric has allowed him to further develop his expertise in creating innovative lens systems and imaging devices.

Collaborations

During his career, Nakagawa has collaborated with talented individuals like Keiichi Kuramoto and Mitsuaki Matsumoto. These partnerships have fostered a creative environment, enabling the exploration of new ideas and the development of impactful inventions in the optical field.

Conclusion

Youhei Nakagawa stands out as a prominent inventor in the optical technology industry. With a total of 15 patents to his name, his latest innovations in lens design and image capturing devices exemplify his commitment to advancing technology. Through his work at Sanyo Electric Co., Ltd. and his collaborations with esteemed colleagues, Nakagawa continues to shape the future of optical innovations.

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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