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For the Inventor, By the Inventor

Tokyo, Japan

Ito Co., Ltd.

USPTO Granted Patents = 22

% Expired Patents = 9.1


Trademarks = 2

Forward Citations = 287

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36 inventors (with patents filed for the assignee):

goldMedal Toshimasa Sakagami (6 out of 6 patents)

silverMedal Nobuo Ogiwara (5 out of 5 patents)

bronzeMedal Makoto Sasaki (4 out of 80 patents)

4.  Tetsuya Masuda (3 out of 9 patents)

5.  Noboru Tanaka (3 out of 3 patents)

6.  Atsumi Ohta (3 out of 3 patents)

7.  Hiroki Kakuyama (3 out of 4 patents)

8.  Mamoru Toriu (3 out of 3 patents)

9.  Takashi Nemoto (2 out of 23 patents)

10.  Naoko Kajimoto (2 out of 3 patents)

11.  Hiroshi Karasuno (2 out of 2 patents)

12.  Hisashi Kuroda (2 out of 3 patents)

13.  Wataru Orito (2 out of 3 patents)

14.  Hirotsugu Sato (2 out of 2 patents)

15.  Mitsuru Kitamura (2 out of 2 patents)


22 patents:

1. D1023579 - Toothbrush (2024-04-23),
2. 11957905 - Electric current stimulation device (2024-04-16),
3. 11517751 - Electrode for electrical stimulation therapy and electrical stimulation therapeutic device (2022-12-06),
4. D948553 - Display screen with graphical user interface (2022-04-12),
5. D942951 - Connecting plug for cables (2022-02-08),
6. 8821428 - Traction apparatus and rope take-up mechanism of traction apparatus (2014-09-02),
7. 8469903 - Ultrasonic treatment apparatus and program (2013-06-25),
8. 8328730 - Living body measurement apparatus (2012-12-11),
9. 8246553 - Muscle hardness meter (2012-08-21),
10. 8136415 - Traction apparatus and traction force control method for traction apparatus (2012-03-20),
11. 8028590 - Traction apparatus and traction force control method of traction apparatus (2011-10-04),
12. 7949406 - Low frequency medical device, method therefor, program and recording medium (2011-05-24),
13. 7787955 - Muscle training apparatus and control method therefor (2010-08-31),
14. 7519427 - Low frequency medical device, method therefor, program and recording medium (2009-04-14),
15. 7471984 - Low-frequency treatment device (2008-12-30),
Company Overview
Ito Co., Ltd. is a prominent Japanese company headquartered in Tokyo, specializing in the development and manufacturing of a diverse range of products, including industrial machinery and equipment. The company is recognized for its innovative solutions in various sectors, such as automation, electronics, and materials science. With a strong emphasis on research and development, Ito Co., Ltd. aims to enhance operational efficiency and sustainability across industries, contributing to advancements in technology and manufacturing practices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Ito Co., Ltd. USPTO Patent Assignee Logo
22 Patents

#1,286 in Tokyo

#2,795 in Japan

#28,807 in the World

Tokyo, JP
Tokyo, Japan

Ito Co., Ltd.

Forward Citations = 287

36 inventors:

goldMedal Toshimasa Sakagami (6 out of 6 patents)

silverMedal Nobuo Ogiwara (5 out of 5 patents)

bronzeMedal Makoto Sasaki (4 out of 80 patents)

4.  Tetsuya Masuda (3 out of 9 patents)

5.  Noboru Tanaka (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ito Co., Ltd.. Retrieved from https://idiyas.com/company/ito-company

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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