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Teijin Seiki Co., Ltd.

USPTO Granted Patents = 220

Forward Citations = 2,056

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145 inventors (with patents filed for the assignee):

Takami Sugioka (25 out of 26 patents)

Toshio Kamimura (16 out of 19 patents)

Yoshihide Nishimura (13 out of 15 patents)

4. Kiyozumi Fukui (13 out of 15 patents)

5. Masayuki Togawa (12 out of 14 patents)

6. Shunzo Naito (11 out of 12 patents)

7. Tetsuya Watanabe (9 out of 9 patents)

8. Yorikazu Tamura (9 out of 12 patents)

9. Kiyoshi Toyama (9 out of 11 patents)

10. Masakazu Hattori (8 out of 9 patents)

11. Hiroki Mori (8 out of 8 patents)

12. Chohei Okuno (8 out of 8 patents)

13. Juro Tachibana (8 out of 9 patents)

14. Fumio Tanae (8 out of 8 patents)

15. Tsuneo Hagiwara (7 out of 15 patents)

Core Competencies:

Sealing Mechanism

Stereolithographic Apparatus

Robot Arm Mechanism

Optical Device

Vacuum Processing

Fluidic Device

Permanent Magnet Motor

Hydraulic Circuit

Speed Reducer

Electro-Hydraulic Servomotor

Threading Apparatus

Yarn Relaxation Method

220 patents: Sort by Forward Citations

1. 7464941 - Sealing mechanism for sealing a vacuum chamber (2008-12-16),

2. 7318718 - Stereolithographic apparatus and method for manufacturing three-dimensional object (2008-01-15),

3. 7246800 - Sealing mechanism for sealing a vacuum chamber (2007-07-24),

4. 7244091 - Robot arm mechanism (2007-07-17),

5. 7137801 - Three-dimensional stereolithographic apparatus (2006-11-21),

6. 7090484 - Stereolithographic apparatus and method for manufacturing three-dimensional object with photohardenable resin (2006-08-15),

7. 7090222 - Shaft sealing assembly for vacuum processing apparatus (2006-08-15),

8. 7062119 - Optical device (2006-06-13),

9. 7055825 - Shaft sealing apparatus (2006-06-06),

10. 7052259 - Vacuum exhausting apparatus (2006-05-30),

11. 7040852 - Robot arm mechanism and robot apparatus (2006-05-09),

12. 7001139 - Robot arm mechanism (2006-02-21),

13. 6968925 - Elevator apparatus (2005-11-29),

14. 6945269 - Fluidic device (2005-09-20),

15. 6912930 - Flex spline for meshing type gear device, and meshing type gear device having flex spline (2005-07-05),

Teijin Seiki Co., Ltd. is a global manufacturer of industrial machinery and equipment. With decades of experience, the company specializes in producing high-quality precision machines for various industries, including automotive, electronics, and healthcare. From advanced robotic systems to innovative manufacturing solutions, Teijin Seiki is dedicated to delivering cutting-edge technologies that enhance productivity and efficiency. For more information about our company and range of products, please visit our website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

220 Patents

#71 in Osaka

#640 in Japan

#3,775 in the World

Teijin Seiki Co., Ltd.

Forward Citations = 2,056

145 inventors:

Takami Sugioka (25 out of 26 patents)

Toshio Kamimura (16 out of 19 patents)

Yoshihide Nishimura (13 out of 15 patents)

4. Kiyozumi Fukui (13 out of 15 patents)

5. Masayuki Togawa (12 out of 14 patents)

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