Takayoshi Akamatsu

This inventor holds 8 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Toray Industries, Inc.. Active years: 1988-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayoshi Akamatsu. Retrieved from https://idiyas.com/inventor/takayoshi-akamatsu

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

USPTO Granted Patents = 8 (Patent Applications = 1)

% Patents Active = 62.5

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 5.6

ph-index = 6

Forward Citations = 106(Granted Patents)

Location History:

Shiga, JP (2005)
Otsu, JP (1988 - 2015)

Company Filing History:

8 out of 3,581

Toray Industries, Inc.

patents

Years Active: 1988-2015

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9193833 - Phosphor-containing cured silicone, process for production of same, phosphor-containing silicone composition, precursor of the composition, sheet-shaped moldings, LED package, light-emitting device, and process for production of LED-mounted substrate (2015-11-24),

2. 7540079 - Laminated member for circuit board, method and apparatus for manufacturing of circuit board (2009-06-02),

3. 7534361 - Methods for making laminated member for circuit board, making circuit board and laminating flexible film (2009-05-19),

4. 7105221 - Circuit board, laminated member for circuit board, and method for making laminated member for circuit board (2006-09-12),

5. 6897918 - Color filter with protrusion (2005-05-24),

6. 6139639 - Coating machine having a timer for continuously forming a coating of (2000-10-31),

7. 4888211 - Process for preparation of vertical magnetic recording medium (1989-12-19),

8. 4726988 - Vertical magnetic recording medium (1988-02-23),

Title: Takayoshi Akamatsu: Innovator in Silicone Technology

Introduction

Takayoshi Akamatsu is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of silicone technology, particularly in the development of phosphor-containing materials. With a total of 8 patents to his name, Akamatsu's work has had a substantial impact on various applications, including LED technology.

Latest Patents

Akamatsu's latest patents include innovations such as phosphor-containing cured silicone, a process for the production of the same, and phosphor-containing silicone compositions. His work on LED packages and light-emitting devices showcases his expertise in creating materials that enhance the performance and durability of electronic components. One of his notable inventions is a phosphor-containing cured silicone that ensures uniform dispersion of phosphors, providing excellent thermal resistance and lightfastness. Additionally, he has developed a process for producing LED-mounted substrates that allows for the continuous mounting of multiple LED elements in a batch manner.

Career Highlights

Akamatsu is currently employed at Toray Industries, Inc., where he continues to push the boundaries of silicone technology. His innovative approach has led to advancements in circuit board manufacturing, including the creation of laminated members that incorporate reinforcing plates and flexible films with circuit patterns. These developments are crucial for enhancing the efficiency and reliability of electronic devices.

Collaborations

Throughout his career, Akamatsu has collaborated with notable colleagues such as Futoshi Okuyama and Yoichi Shinba. Their combined expertise has contributed to the successful development of various technologies and products in the field.

Conclusion

Takayoshi Akamatsu's contributions to silicone technology and LED applications highlight his role as a leading inventor in the industry. His innovative patents and collaborative efforts continue to shape the future of electronic materials and devices.

Profile summary based on public USPTO records.