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Kaneyoshi Yagi

This inventor holds 14 USPTO granted patents. Top assignees: Fuji Photo Optical Co., Ltd., Fujinon Corporation. Active years: 1999-2006.

USPTO Granted Patents = 14

% Patents Active = 92.9

Average Co-Inventor Count = 3.8

ph-index = 8

Forward Citations = 212(Granted Patents)

Location History:

Omiya, JP (2002)
Saitama, JP (1999 - 2006)

Company Filing History:

13 out of 1,279

Fuji Photo Optical Co., Ltd.

Years Active: 1999-2006

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7072272 - Diffraction type optical pickup lens and optical pickup apparatus using the same (2006-07-04),

2. 6342976 - Luminous flux diameter variable type objective lens and optical apparatus using the same (2002-01-29),

3. 6088160 - Diffractive optical element (2000-07-11),

4. 6055111 - Plastic lens and method of making a plastic lens (2000-04-25),

5. 6050406 - Storage case for diffraction grating (2000-04-18),

6. 6034827 - Optical lens (2000-03-07),

7. 6010647 - Multifocal lens and method of making the same (2000-01-04),

8. 6008957 - Optical lens and method of making the same (1999-12-28),

9. 6008955 - Optical lens (1999-12-28),

10. 5995304 - Plastic lens (1999-11-30),

11. 5982565 - Plastic lens and method of making the same (1999-11-09),

12. 5960951 - Lens case containing lenses with reduced contact area (1999-10-05),

13. 5936782 - Objective lens for a pickup optical system (1999-08-10),

14. 5905599 - Optical lens having a hygroscopicity adjusting part (1999-05-18),

Title: Kaneyoshi Yagi: Innovator in Optical Technology

Introduction

Kaneyoshi Yagi is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of optical technology, holding a total of 14 patents. His work has advanced the development of optical pickup lenses and related apparatuses, showcasing his expertise and innovative spirit.

Latest Patents

Yagi's latest patents include groundbreaking inventions such as the diffraction type optical pickup lens and the optical pickup apparatus utilizing the same. In this invention, at least one surface of a convergent lens is designed with an aspheric surface that converges a luminous flux at a predetermined position. Additionally, the lens incorporates a zone plate that selectively converges luminous fluxes of specific wavelengths while allowing others to pass through. Another notable patent is the luminous flux diameter variable type objective lens, which features a wavelength selectivity and is equipped with diffraction gratings arranged in a specific manner to optimize light transmission for different applications.

Career Highlights

Throughout his career, Kaneyoshi Yagi has worked with esteemed companies such as Fuji Photo Optical Co., Ltd. and Fujinon Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in optical technologies.

Collaborations

Yagi has collaborated with notable coworkers, including Yoshimitsu Nomura and Masaaki Fukuda. These partnerships have fostered a creative environment that has led to innovative solutions in the optical field.

Conclusion

Kaneyoshi Yagi's contributions to optical technology through his numerous patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in optical systems and applications.

Profile summary based on public USPTO records.

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