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For the Inventor, By the Inventor

Aichi, Japan

S.k.g. Co., Ltd.

Calculating rank
USPTO Granted Patents = 18

% Expired Patents = 22.2

Forward Citations = 155

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11 inventors (with patents filed for the assignee):

goldMedal Mitsuhide Sakamoto (15 out of 15 patents)

silverMedal Junichi Ando (12 out of 12 patents)

bronzeMedal Toshiaki Yagi (11 out of 11 patents)

4.  Tatsuya Inaba (2 out of 2 patents)

5.  Noboru Iwanaga (2 out of 2 patents)

6.  Eisuke Hatano (1 out of 1 patent)

7.  Toru Funabashi (1 out of 1 patent)

8.  Takahiro Kinoshita (1 out of 2 patents)

9.  Kazuya Okamoto (1 out of 1 patent)

10.  Hiroshi Nakashima (1 out of 18 patents)

11.  Yutaka Imagawa (1 out of 3 patents)


18 patents:

1. 11913533 - Strain wave gearing (2024-02-27),
2. 11464083 - Electric cable, conductor, heating element, method for producing conductor and heating element, and heating device using heating element (2022-10-04),
3. 9557472 - Light guide member and method of manufacturing light guide member (2017-01-31),
4. 9523809 - Light emitting apparatus (2016-12-20),
5. 9244210 - Light guide plate, display unit including the light guide plate, traffic sign including the display unit, and method of manufacturing the light guide plate and method of manufacturing the traffic sign (2016-01-26),
6. 8940200 - Manufacturing method for light guide plate (2015-01-27),
7. 8549777 - Method for manufacturing light guide plate, light guide plate, and light emitting sign using the light guide plate (2013-10-08),
8. D671243 - LED light bulb (2012-11-20),
9. D671242 - LED light bulb (2012-11-20),
10. D671241 - LED light bulb (2012-11-20),
11. D671240 - LED light bulb (2012-11-20),
12. D668367 - LED light bulb (2012-10-02),
13. D668366 - LED light bulb (2012-10-02),
14. D668365 - LED light bulb (2012-10-02),
15. D667972 - LED light bulb (2012-09-25),
Company Overview
S.k.g. Co., Ltd. is a prominent company based in Aichi, Japan, specializing in the development and manufacturing of high-quality industrial products. The organization focuses on innovative solutions in various sectors, including automotive components and precision machinery. With a commitment to advancing technology, S.k.g. leverages its expertise to enhance product performance and reliability, catering to both domestic and international markets. The company is dedicated to research and development, ensuring it remains at the forefront of industry advancements.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

18 Patents

#68 in Aichi

#3,125 in Japan

#34,263 in the World

Aichi, JP
Aichi, Japan

S.k.g. Co., Ltd.

Forward Citations = 155

11 inventors:

goldMedal Mitsuhide Sakamoto (15 out of 15 patents)

silverMedal Junichi Ando (12 out of 12 patents)

bronzeMedal Toshiaki Yagi (11 out of 11 patents)

4.  Tatsuya Inaba (2 out of 2 patents)

5.  Noboru Iwanaga (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: S.k.g. Co., Ltd.. Retrieved from https://idiyas.com/company/s-k-g-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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