For the Inventor, By the Inventor

Enter assignee name

Asahi Rubber Inc.

USPTO Granted Patents = 26

% Expired Patents = 7.7

EPO Patents = 8

Trademarks = 2

Forward Citations = 206

Loading Chart...

Loading Chart...

58 inventors (with patents filed for the assignee):

Masutsugu Tasaki (14 out of 16 patents)

Naoto Igarashi (6 out of 6 patents)

Akira Ichikawa (6 out of 37 patents)

4. Tsutomu Odaki (5 out of 7 patents)

5. Takayuki Motoyanagi (5 out of 5 patents)

6. Maimi Yoshida (4 out of 4 patents)

7. Takashi Kanahira (3 out of 3 patents)

8. Hideaki Sato (3 out of 67 patents)

9. Nobuyuki Tomizawa (3 out of 3 patents)

10. Takeru Kawaguchi (3 out of 3 patents)

11. Eiji Ishiguro (2 out of 2 patents)

12. Naoya Mashiko (2 out of 2 patents)

13. Satoshi Endo (2 out of 25 patents)

14. Yuta Ito (2 out of 13 patents)

15. Nobuyoshi Watanabe (2 out of 3 patents)

Core Competencies:

Ultraviolet LED

Optical Member

Synthetic Resin

Silicone Resin

Light Source

Reflective Substrate

LED Lighting

Lens

Color Reflecting Material

Cell Culture

Soldering Method

Liquid Crystal Display

26 patents: Sort by Forward Citations

1. 12270977 - Ultraviolet led optical member (2025-04-08),

2. 12194697 - Method for modifying optical properties of synthetic resin (2025-01-14),

3. 12092792 - Optical member with reduced low-molecular-weight siloxane content, and method for producing same (2024-09-17),

4. 11946443 - Bonded body of object to be bonded to and functional base material (2024-04-02),

5. 11484859 - Airflow generation device and manufacturing method for same (2022-11-01),

6. 11476395 - Light source, LED device, and light emitting display structure (2022-10-18),

7. 11472945 - Slidable rubber material having an amino-modified interfacial modification layer, and method for producing said slidable rubber material (2022-10-18),

8. 11326065 - Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate (2022-05-10),

9. 11094857 - Method for manufacturing lighting device (2021-08-17),

10. 10563159 - Cell-holding container and cell culture method using same (2020-02-18),

11. 10533094 - Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate (2020-01-14),

12. 10351713 - Ink for white reflective film, powder coating material for white reflective film, production method of white reflective film, white reflective film, light source mount, and lighting device shade (2019-07-16),

13. 9803829 - Light distribution lens (2017-10-31),

14. 9663664 - Ink for white reflective film, powder coating material for white reflective film, production method of white reflective film, white reflective film, light source mount, and lighting device shade (2017-05-30),

15. 9574050 - Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate (2017-02-21),

Asahi Rubber Inc., based in Saitama, Japan, specializes in the development and manufacturing of rubber products for various industries. The company focuses on innovative solutions in automotive components, industrial materials, and consumer goods, leveraging advanced technologies to enhance product performance and durability. With a commitment to quality and sustainability, Asahi Rubber aims to meet the evolving needs of its global clientele while contributing to advancements in material science and engineering.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

26 Patents

#51 in Saitama 343-0827

#2,506 in Japan

#24,781 in the World

Asahi Rubber Inc.

Forward Citations = 206

58 inventors:

Masutsugu Tasaki (14 out of 16 patents)

Naoto Igarashi (6 out of 6 patents)

Akira Ichikawa (6 out of 37 patents)

4. Tsutomu Odaki (5 out of 7 patents)

5. Takayuki Motoyanagi (5 out of 5 patents)

Please report any incorrect information to [email protected]

Loading…