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For the Inventor, By the Inventor

Tokyo, Japan

Hideaki Yuda

This inventor holds 8 USPTO granted patents. Top assignees: Asahi Kogaku Kogyo K.k., Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1986-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideaki Yuda. Retrieved from https://idiyas.com/inventor/hideaki-yuda

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 134(Granted Patents)


Company Filing History:

goldMedal4 out of 176 
 
Asahi Kogaku Kogyo K.k.
 patents
silverMedal4 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1986-1992

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8 patents (USPTO):Explore Patents
1. 5085977 - Focusing screen and a method of forming a microstructure array for use (1992-02-04),
2. 5081545 - Focusing screen (1992-01-14),
3. 4949115 - Automatic focusing projector (1990-08-14),
4. 4905034 - Automatic focusing projector (1990-02-27),
5. 4870442 - Auxiliary light projecting apparatus for a focus detecting system (1989-09-26),
6. 4771308 - Auxiliary light projecting apparatus for a focus detecting system (1988-09-13),
7. 4600830 - Focus detecting device (1986-07-15),
8. 4580042 - Focusing position detecting device using a sector shaped mirror (1986-04-01),

Title: Innovations by Hideaki Yuda in Optical Technology

Introduction

Hideaki Yuda is a prominent inventor based in Tokyo, Japan, known for his significant contributions to optical technology. With a total of eight patents to his name, Yuda has made remarkable advancements in the field of camera focusing screens and microstructure arrays.

Latest Patents

Yuda's latest patents include innovative methods for forming microstructure arrays suitable for use in the production of focusing screens. One of his notable inventions involves a focusing screen that features an optical material in plate form. This screen has a plurality of small lens portions arranged in a regular array of equilateral triangles. Each lens portion possesses concentric contour lines with a central apex. The design includes flat portions between adjacent lens portions and constricted areas on the inclined surfaces of the lenses. Additionally, an irregular pattern of finer asperities is formed on the surfaces, allowing for high and low spots to be reversed. The method for creating this microstructure array involves exposing a layer of light-sensitive material to light rays through a microlens array, which can also be substituted with a group of pinholes.

Career Highlights

Throughout his career, Yuda has worked with notable companies such as Asahi Kogaku Kogyo Kabushiki Kaisha and Asahi Kogaku Kogyo K.K. His work has significantly impacted the development of optical devices, particularly in enhancing the functionality and quality of camera systems.

Collaborations

Yuda has collaborated with esteemed colleagues, including Saburo Sugawara and Yasuyuki Tejima. Their combined expertise has contributed to the advancement of optical technologies and innovations in the industry.

Conclusion

Hideaki Yuda's contributions to optical technology through his patents and collaborations have established him as a key figure in the field. His innovative methods for focusing screens and microstructure arrays continue to influence the development of camera systems.

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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