Kenji Nagatomi

This inventor holds 38 USPTO granted patents, primarily in Optical Pickup Devices. Top assignees: Sanyo Electric Co., Ltd., Sanyo Optec Design Co., Ltd., Tokyo Optec Design Co., Ltd.. Active years: 2007-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Nagatomi. Retrieved from https://idiyas.com/inventor/kenji-nagatomi

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

USPTO Granted Patents = 38

% Patents Active = 10.5

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 25(Granted Patents)

Inventors with similar research interests:

Location History:

Gifu, JP (2007 - 2010)
Kaidu, JP (2010 - 2011)
Kaizu, JP (2009 - 2013)

Company Filing History:

38 out of 8,782

Sanyo Electric Co., Ltd.

patents

1 out of 70

Sanyo Optec Design Co., Ltd.

patents

1 out of 1

Tokyo Optec Design Co., Ltd.

patent

where one patent can have more than one assignee

Years Active: 2007-2013

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Areas of Expertise:

Optical Pickup Device

Optical Disc Device

Semiconductor Laser

Recording Medium

Focal-Point Adjusting

Reproducing Apparatus

Optical Pickup Apparatus

Recording Apparatus

Laser Light Beams

Manufacturing Method

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8446809 - Optical pickup device and optical disc device (2013-05-21),

2. 8427923 - Optical pickup device, optical disc device and focus adjusting method (2013-04-23),

3. 8427922 - Optical pickup device and optical disc device (2013-04-23),

4. 8358571 - Optical pickup device (2013-01-22),

5. 8345528 - Optical pickup device (2013-01-01),

6. 8331211 - Optical pickup device (2012-12-11),

7. 8325580 - Optical pickup device (2012-12-04),

8. 8310910 - Optical pickup device (2012-11-13),

9. 8279723 - Recording medium, optical device, and recording and reproducing apparatus (2012-10-02),

10. 8270280 - Optical pickup device (2012-09-18),

11. 8264938 - Optical pickup device (2012-09-11),

12. 8264937 - Optical pickup device (2012-09-11),

13. 8238221 - Optical pickup device and recording/reproduction device (2012-08-07),

14. 8238215 - Recording medium, and recording and reproducing apparatus (2012-08-07),

15. 8228778 - Optical pickup device and optical disc device (2012-07-24),

Title: Kenji Nagatomi: Pioneering Inventor Shaping the Future of Technology

Introduction: Kenji Nagatomi, a visionary inventor hailing from Kaizu, Japan, has made significant contributions to the realm of technology with his innovative creations and unwavering dedication to pushing the boundaries of what is achievable.

Latest Patents: With an impressive portfolio of 38 patents, Kenji Nagatomi's latest inventions include the groundbreaking Optical Pickup Device and Optical Disc Device. These devices revolutionize the separation and manipulation of light fluxes to enhance the performance and accuracy of optical systems.

Career Highlights: Throughout his illustrious career, Kenji Nagatomi has lent his expertise to renowned companies such as Sanyo Electric Co., Ltd., and Tokyo Optec Design Co., Ltd. His ingenuity and technical prowess have played a pivotal role in driving technological advancements in the industry.

Collaborations: Kenji Nagatomi has collaborated with esteemed colleagues such as Katsutoshi Hibino and Seiji Kajiyama, fostering a creative environment where innovative ideas flourish. Together, they have worked towards pioneering solutions that have redefined the technological landscape.

Conclusion: Kenji Nagatomi emerges as a trailblazing inventor whose passion for innovation and commitment to excellence have established him as a prominent figure in the world of technology. His impactful contributions continue to shape the future of technology, inspiring generations to come.

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]