Hirotaka Shimizu

This inventor holds 14 USPTO granted patents and 1 published patent application. Top assignees: Rohm Co., Ltd., Iris Ohyama Inc.. Active years: 2013-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Shimizu. Retrieved from https://idiyas.com/inventor/hirotaka-shimizu

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

USPTO Granted Patents = 14 (Patent Applications = 1)

% Patents Active = 28.6

Average Co-Inventor Count = 2.0

ph-index = 6

Forward Citations = 146(Granted Patents)

Company Filing History:

Years Active: 2013-2017

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9777891 - LED lamp (2017-10-03),

2. 9599288 - LED lighting apparatus with first and second cover portions (2017-03-21),

3. 9562654 - LED illumination apparatus including light source and lenses (2017-02-07),

4. 9347618 - LED lighting apparatus with first and second cover portions (2016-05-24),

5. 9121554 - LED lamp and lens unit therefor (2015-09-01),

6. 9103508 - LED lamp with light-diffusing end cap (2015-08-11),

7. 9052099 - LED lamp (2015-06-09),

8. 8894268 - LED lightbulb (2014-11-25),

9. 8777448 - LED lamp with light-diffusing end cap (2014-07-15),

10. 8643043 - LED lighting device (2014-02-04),

11. 8613525 - LED illumination unit, LED illumination device, and LED illumination system (2013-12-24),

12. 8591057 - LED lamp (2013-11-26),

13. 8523395 - Light emitting diode lamp and method for manufacturing the same (2013-09-03),

14. D674926 - Light emitting diode lamp (2013-01-22),

Title: Hirotaka Shimizu: Innovator in LED Technology

Introduction

Hirotaka Shimizu is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of LED technology, holding a total of 14 patents. His innovative designs focus on improving the efficiency and aesthetics of LED lighting solutions.

Latest Patents

One of Shimizu's latest patents is an LED lamp that includes a plurality of LED modules mounted on a substrate in a row. A light guide covering the LED modules is provided on the substrate, ensuring that the light guide is held in close contact with each of the LED modules. This arrangement allows for a proper amount of light to be obtained while using fewer LED modules or consuming less power. Another notable patent is an LED lamp that features a plurality of LED modules arranged in a tubular enclosure. This enclosure is open at both ends and includes end caps that diffuse light from the LED modules while transmitting it. The design ensures that the LED lamp maintains a good appearance even when elongated.

Career Highlights

Hirotaka Shimizu has worked with notable companies such as Rohm Co., Ltd. and Iris Ohyama Inc. His experience in these organizations has contributed to his expertise in LED technology and innovation.

Collaborations

Shimizu has collaborated with talented individuals in the field, including Mitsunori Nagashima and Takao Iemoto. These collaborations have further enhanced his work and contributions to LED technology.

Conclusion

Hirotaka Shimizu is a key figure in the advancement of LED technology, with a focus on efficiency and design. His numerous patents reflect his commitment to innovation in this field.

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]

1 patent pending: