Hiroshi Takayanagi

This inventor holds 41 USPTO granted patents and 3 published patent applications, plus 3 CIPO patents and 5 EPO patents, primarily in Optical Fiber Technology. Top assignees: Fuji Xerox Co., Ltd., Sei Optifrontier Co., Ltd., Mitsui Toatsu Chemicals, Incorporated. Active years: 1984-2025.

USPTO Granted Patents = 41 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 3

EPO Patents = 5 (Patent Applications = 4)

Average Co-Inventor Count = 2.1

ph-index = 11

Forward Citations = 338(Granted Patents)

Location History:

Ebina, JP (1984)
Ohmuta, JP (1988)
Omuta, JP (1989)
Tokyo, JP (2016)
Kanagawa, JP (1991 - 2020)
Chigasaki, JP (2021 - 2022)
Yokohama, JP (1990 - 2024)

Company Filing History:

Sei Optifrontier Co., Ltd.

patents

6 out of 1,379

Mitsui Toatsu Chemicals, Incorporated

patents

4. 6 out of 49

Sumitomo Electric Optifrontier Co., Ltd.

patents

5. 2 out of 10,620

Sumitomo Electric Industries, Limited

patents

6. 1 out of 134

Tokyo Medical and Dental University

patents

Years Active: 1984-2025

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Areas of Expertise:

Optical Fiber

Fusion Splicing

Reinforcement Device

Heating Device

Optical Fiber Holder

Image Processing

Digital Copying

Bioabsorbable Fibers

Polyamide-Imide Resins

Surgical Fibers

Image Recording

Electrophotographic Copier

41 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12276841 - Optical fiber fusion splicing method and fusion splicing device (2025-04-14),

2. 12197010 - Reinforcement sleeve heating device and fusion splicing machine (2025-01-14),

3. 12169305 - Fusion splicing device and fusion splicing method (2024-12-17),

4. 12085757 - Optical fiber fusion splicing device, and fusion splicing method for optical fiber (2024-09-10),

5. 11656410 - Optical fiber fusing and connecting machine and optical fiber fusing and connecting method (2023-05-23),

6. 11435529 - Optical fiber holder (2022-09-06),

7. 11409042 - Reinforcement device for optical fiber fusion splicing section and fusion splicer provided with same (2022-08-09),

8. 11181692 - Reinforcing apparatus for optical fiber fusion-splicing part and fusion splicer provided with the same (2021-11-23),

9. 10921527 - Optical fiber holder (2021-02-16),

10. 10551564 - Optical fiber holder and optical fiber cleaving apparatus to which optical fiber holder is attachable (2020-02-04),

11. 10338314 - Optical fiber cutting apparatus (2019-07-02),

12. D837273 - Optical fiber fusion splicer (2019-01-01),

13. 9488781 - Optical fiber holder and optical fiber fusion-connecting device (2016-11-08),

14. 9447191 - Osteogenesis promoter (2016-09-20),

15. 9341777 - Optical fiber fusion splicer (2016-05-17),

Title: Hiroshi Takayanagi: Pioneering Inventor from Yokohama

Introduction: Hiroshi Takayanagi is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroshi Takayanagi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With over two decades of experience in the tech industry, Hiroshi Takayanagi has worked with leading research institutions and multinational corporations, spearheading projects that have revolutionized various sectors.

Collaborations: Throughout his career, Hiroshi Takayanagi has collaborated with top universities, cutting-edge startups, and established companies, fostering a culture of innovation and knowledge-sharing within the industry.

Conclusion: Hiroshi Takayanagi's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a visionary inventor in Yokohama and beyond.