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Yokohama, Japan

Hideki Yagi

USPTO Granted Patents = 67

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 3

Average Co-Inventor Count = 2.4

ph-index = 8

Forward Citations = 311(Granted Patents)

Forward Citations (Not Self Cited) = 298(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nishinomiya, JP (1998)
Kusatsu, JP (1998)
Mitoyo-gun, JP (2001)
Yokohama, JP (1990 - 2017)
Machida, JP (2014 - 2018)
Mitoyo, JP (2009 - 2021)
Osaka, JP (2001 - 2024)

Company Filing History:

50 out of 10,250

Sumitomo Electric Industries, Limited

Konoshima Chemical Co., Ltd.

Nipro Corporation

4. 3 out of 174

Sumitomo Pharmaceuticals Company Limited

5. 2 out of 301

Kabushikikaisha Kenwood

6. 2 out of 335

Sumitomo Electric Device Innovations, Inc.

7. 1 out of 120

Nissho Corporation

8. 1 out of 35,705

Nec Corporation

where one patent can have more than one assignee

Years Active: 1990-2024

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Areas of Expertise:

Light Receiving Device

Photo Receiver

Semiconductor Optical Device

Wavelength Tunable Laser Device

Optical Semiconductor Device

Mach-Zehnder Modulator

Hybrid Optical Assembly

Transparent Rare Earth Aluminum Garnet Ceramics

Optical Waveguide Structure

Integrated Optical Semiconductor Device

Optical-to-Electrical Converter Unit

Multi-Channel Optical Waveguide Receiver

67 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12044569 - Light receiving device and light receiving apparatus (2024-07-23),

2. 11837620 - Photo receiver (2023-12-05),

3. 11777274 - Semiconductor optical device and method for manufacturing the same (2023-10-03),

4. 11735888 - Semiconductor optical device and method for producing semiconductor optical device (2023-08-22),

5. 11621538 - Wavelength tunable laser device and method for manufacturing the same (2023-04-04),

6. 11527866 - Semiconductor optical device (2022-12-13),

7. 11393945 - Optical semiconductor device and method for manufacturing optical semiconductor device (2022-07-19),

8. 11270907 - Semiconductor device and method for producing semiconductor device (2022-03-08),

9. 11231552 - Photo detector and method for producing photo detector (2022-01-25),

10. 11053166 - Transparent rare earth aluminum garnet ceramics (2021-07-06),

11. 10859766 - Optical semiconductor device (2020-12-08),

12. 10823610 - Light receiving device, method for fabricating light receiving device (2020-11-03),

13. 10741591 - Semiconductor integrated optical device (2020-08-11),

14. 10545285 - Hybrid optical assembly and method for fabricating same (2020-01-28),

15. 10494307 - Transparent rare earth aluminum garnet ceramics (2019-12-03),

Title: Inventor Hideki Yagi: Revolutionizing Technology in Yokohama

Introduction: Hideki Yagi is a renowned inventor based in Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hideki Yagi holds several patents in the areas of telecommunications, electronics, and robotics, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Hideki Yagi has worked with leading tech companies in Japan, spearheading projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Hideki Yagi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hideki Yagi's passion for innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and shape the future of technology in Yokohama and beyond.

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