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For the Inventor, By the Inventor

Saitama, Japan

Yoshito Asoma

This inventor holds 13 USPTO granted patents, primarily in Optical Devices. Top assignee: Sony Corporation. Active years: 1995-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshito Asoma. Retrieved from https://idiyas.com/inventor/yoshito-asoma

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 69.2

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 51(Granted Patents)


Company Filing History:

goldMedal13 out of 58,150 
 
Sony Corporation
 patents

Years Active: 1995-2014

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Areas of Expertise:
Light Condensing Lens
Optical Pickup
Three-Dimensional Distance Measurement
Optical Disc Device
Optical Head
Disc Drive Apparatus
Integrated Optical Component
Focus Error Detection
Optical Pickup Device
Optical Disc Unit
Optical Device
Light Splitting Means
13 patents (USPTO):Explore Patents
1. 8738320 - Light condensing lens and three-dimensional distance measuring apparatus (2014-05-27),
2. 8666697 - Light condensing lens and three-dimensional distance measuring apparatus (2014-03-04),
3. 8102749 - Object lens, optical pickup, and optical disc device (2012-01-24),
4. 7986595 - Optical pickup and optical device for three different types of optical discs (2011-07-26),
5. 7924684 - Object lens, optical pickup, and optical disc device (2011-04-12),
6. 7535813 - Optical pickup and disc drive apparatus (2009-05-19),
7. 6529454 - Integrated optical component, optical pickup, and optical disc device (2003-03-04),
8. 6459672 - Optical head and optical disc device (2002-10-01),
9. 6434104 - Objective lens, optical pickup device and optical disk device (2002-08-13),
10. 6404721 - Optical head and optical disc device (2002-06-11),
11. 6208596 - Optical pickup and optical disk unit (2001-03-27),
12. 5461224 - Optical pick-up device having light splitting means and focus error and (1995-10-24),
13. 5428596 - Optical pickup apparatus (1995-06-27),

Title: Innovator Spotlight: Yoshito Asoma

Introduction

Yoshito Asoma, an esteemed inventor based in Saitama, Japan, has made significant contributions to the field of optical technology. With a remarkable portfolio of 13 patents, Asoma's work continues to influence advancements in light manipulation and measurement systems.

Latest Patents

Asoma’s latest innovations include a light condensing lens and a three-dimensional distance measuring apparatus. The light condensing lens comprises multiple lenses arranged side by side, strategically positioned to condense incident light across a range that corresponds to various segments of the view angle. This design cleverly splits the view angle orthogonally to the optical axis of the incoming light. Additionally, the three-dimensional distance measuring apparatus features a sophisticated light directing system that utilizes first and second relay lenses. These lenses are located at conjugate positions, with the first relay lens, which has a longer focal length than the second, positioned between the second relay lens and the light source.

Career Highlights

Yoshito Asoma is affiliated with Sony Corporation, a prestigious company known for its innovative technologies and products. Over the years, Asoma has played a pivotal role in developing optical solutions that enhance the functionality and efficiency of various electronic devices.

Collaborations

Throughout his career, Asoma has collaborated with talented coworkers, including Kazumasa Kaneda and Kazuyuki Takahashi. Their combined expertise and innovative spirit have further propelled the advancements in optical technologies at Sony Corporation.

Conclusion

Yoshito Asoma's contributions to the field through his inventions and patents exemplify the spirit of innovation. As technology continues to evolve, his work on light condensing lenses and distance measuring apparatuses will undoubtedly leave a lasting impact on the optical industry and inspire future generations of inventors.

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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