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Tomy Kogyo Co., Ltd.

USPTO Granted Patents = 376

EPO Patents = 1

Forward Citations = 4,203

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175 inventors (with patents filed for the assignee):

Masami Shiraishi (13 out of 25 patents)

Michael W Nuttall (13 out of 53 patents)

Yuji Kato (10 out of 17 patents)

4. Masaki Ikeda (9 out of 11 patents)

5. Hiroyuki Watanabe (9 out of 66 patents)

6. Hitoshi Itakura (9 out of 13 patents)

7. Masaki Mayuzumi (9 out of 16 patents)

8. Takao Matsumoto (9 out of 17 patents)

9. Michihiro Kozuka (8 out of 10 patents)

10. Noriaki Iwao (8 out of 8 patents)

11. Akio Tsuyuki (8 out of 8 patents)

12. Toyotsugu Ogasawara (7 out of 7 patents)

13. Takashi Kaga (7 out of 7 patents)

14. Toshiaki Takizawa (7 out of 8 patents)

15. Toshinori Tabata (7 out of 7 patents)

Core Competencies:

Centrifugal Separator

Toy Robotics

Game Mechanics

Audible Toys

Water Games

Magnetic Switches

Activity Toys

Drive Control Mechanisms

Animated Toys

Toy Design

Educational Toys

Manipulator Toys

376 patents: Sort by Forward Citations

1. 10618061 - Support structure for rotation driving system having ball balancer (2020-04-14),

2. D833638 - Desktop centrifuge (2018-11-13),

3. D831841 - Desktop centrifuge (2018-10-23),

4. D815751 - Desktop centrifuge (2018-04-17),

5. 7419464 - Rotor mounting structure for centrifugal separator (2008-09-02),

6. D525890 - Centrifugal separator (2006-08-01),

7. 6805843 - Slide glass rack for use in centrifugal apparatus (2004-10-19),

8. 6459918 - Brain electrode securing device (2002-10-01),

9. 6390965 - Centrifugal separator having sliding linked racks parts for easy insertion and removal into the rotor (2002-05-21),

10. 4995606 - Board game (1991-02-26),

11. D312847 - Audible toy boat (1990-12-11),

12. 4976650 - Device for starting a toy (1990-12-11),

13. D311033 - Rotatable game housing (1990-10-02),

14. D311032 - Water game (1990-10-02),

15. 4941857 - Animal toys having switch and vibration motor (1990-07-17),

Tomy Kogyo Co., Ltd. is a leading manufacturer of precision machined components. With over 50 years of experience, we provide high-quality products for various industries including automotive, aerospace, and electronics. Our state-of-the-art facilities, advanced technology, and skilled workforce allow us to deliver innovative solutions that meet the specific requirements of our clients. From design and prototyping to production and assembly, we offer comprehensive services to ensure customer satisfaction. Visit our website for more information on our capabilities and to explore how we can add value to your business.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

376 Patents

#200 in Tokyo

#441 in Japan

#2,381 in the World

Tomy Kogyo Co., Ltd.

Forward Citations = 4,203

175 inventors:

Masami Shiraishi (13 out of 25 patents)

Michael W Nuttall (13 out of 53 patents)

Yuji Kato (10 out of 17 patents)

4. Masaki Ikeda (9 out of 11 patents)

5. Hiroyuki Watanabe (9 out of 66 patents)

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