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For the Inventor, By the Inventor

Fukuyama, Japan

Junichi Nakai

This inventor holds 15 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1994-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Nakai. Retrieved from https://idiyas.com/inventor/junichi-nakai-8fj2pm0k

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 = 80.0

Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 106(Granted Patents)


Location History:

  • Fukuyama, JP (1994 - 2008)
  • Hiroshima, JP (2012)
  • Osaka, JP (2013)

Company Filing History:

goldMedal15 out of 25,954 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1994-2013

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15 patents (USPTO):Explore Patents
1. 8361824 - Method for forming lens, method for manufacturing semiconductor apparatus, and electronic information device (2013-01-29),
2. 8274031 - Colored microlens array and manufacturing method for colored microlens array, color solid-state image capturing device and manufacturing method for color solid-state image capturing device, color display apparatus and manufacturing method for color display apparatus, and electronic information device (2012-09-25),
3. 8217481 - Solid-state image capturing device and electronic information device (2012-07-10),
4. 7453130 - Semiconductor apparatus and method for fabricating the same (2008-11-18),
5. 7439554 - Semiconductor device and method for fabricating the same (2008-10-21),
6. 7087945 - Process for manufacturing semiconductor device and semiconductor device (2006-08-08),
7. 6903395 - Semiconductor device including interlayer lens (2005-06-07),
8. 6753557 - Semiconductor device having a condenser lens for use in light receiving device or light emitting device (2004-06-22),
9. 5864170 - Semiconductor device having bonding pad and scribe line (1999-01-26),
10. 5470760 - Solid state imaging device having partition wall for partitioning bottom (1995-11-28),
11. 5455624 - Solid image pick-up element (1995-10-03),
12. 5444277 - Solid imaging pick-up element (1995-08-22),
13. 5426058 - Method of manufacturing solid-state imaging device (1995-06-20),
14. 5396090 - Solid state imaging device having partition wall for partitioning bottom (1995-03-07),
15. 5293267 - Solid-state imaging device (1994-03-08),

Title: Innovations of Junichi Nakai

Introduction

Junichi Nakai is a prominent inventor based in Fukuyama, Japan. He has made significant contributions to the field of semiconductor technology and optical devices. With a total of 15 patents to his name, Nakai's work has had a considerable impact on the industry.

Latest Patents

Nakai's latest patents include a method for forming lenses, a method for manufacturing semiconductor apparatus, and an electronic information device. The lens forming method he developed focuses on creating lenses that can effectively concentrate light on multiple photoelectric conversion sections within a semiconductor apparatus. This innovative method involves processing a lens forming material, where the average gradient of a γ curve, which indicates residual film thickness in relation to the amount of irradiation light, is maintained between -15 and -0.8 nm·cm/mJ. This is achieved within a residual film ratio of 10 to 50% or an irradiation light range of 55 to 137 mJ/cm. Additionally, Nakai has worked on a colored microlens array that includes multiple microlenses designed to focus incident light on various positions, with overlapping peripheral sections and a predetermined color arrangement.

Career Highlights

Nakai is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of optical devices and semiconductor manufacturing processes.

Collaborations

Some of Nakai's notable coworkers include Tetsuro Aoki and Shouichi Ishibe, who have collaborated with him on various projects and patents.

Conclusion

Junichi Nakai's contributions to the field of technology through his patents and innovations highlight his expertise and dedication to advancing semiconductor and optical device technology. His work continues to influence the industry and pave the way for future advancements.

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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