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For the Inventor, By the Inventor

Isesaki, Japan

Gotoh Gut Co., Ltd.

Calculating rank
USPTO Granted Patents = 13

% Expired Patents = 38.5


Forward Citations = 21

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11 inventors (with patents filed for the assignee):

goldMedal Masaki Gotoh (4 out of 4 patents)

silverMedal Hiroshi Miyajima (4 out of 4 patents)

bronzeMedal Atsushi Kajihara (3 out of 3 patents)

4.  Masaki Goto (3 out of 4 patents)

5.  Osamu Niijima (2 out of 2 patents)

6.  Takao Gotoh (2 out of 2 patents)

7.  Takao Goto (2 out of 2 patents)

8.  Kento Suzuki (1 out of 17 patents)

9.  Masao Goto (1 out of 1 patent)

10.  Makoto Matsumoto (1 out of 20 patents)

11.  Yuta Uchiumi (1 out of 1 patent)


13 patents:

1. 11948544 - Musical instrument tuner, musical performance support device and musical instrument management device (2024-04-02),
2. 11094298 - Capo (2021-08-17),
3. 10971120 - Strap pin fitting (2021-04-06),
4. 10229660 - Capotasto (2019-03-12),
5. 8816177 - Bridge for string instrument, saddle for string instrument, and string instrument therewith (2014-08-26),
6. 8729372 - Adjuster for string instruments (2014-05-20),
7. 7973225 - Peg for stringed instrument (2011-07-05),
8. 7488879 - Peg for stringed instrument (2009-02-10),
9. 7138572 - Peg for stringed instruments (2006-11-21),
10. 6989482 - Stringed instrument string winder and method of manufacturing the chord winder (2006-01-24),
11. 6979766 - Stringed instrument neck part variable deformation correcting device (2005-12-27),
12. 6815596 - Thread spool device for stringed instrument (2004-11-09),
13. 6706956 - Peg mechanism and peg for stringed instruments (2004-03-16),
Company Overview
Gotoh Gut Co., Ltd. is a prominent manufacturer based in Isesaki, Japan, specializing in high-quality musical instrument components. The company is renowned for its precision-engineered guitar parts, including tuners, bridges, and other accessories that enhance instrument performance and playability. With a strong emphasis on craftsmanship and innovation, Gotoh Gut serves a global market, catering to both professional musicians and hobbyists alike. Their commitment to quality and attention to detail has established them as a trusted name in the music industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#7 in Isesaki

#3,752 in Japan

#45,081 in the World

Isesaki, JP
Isesaki, Japan

Gotoh Gut Co., Ltd.

Forward Citations = 21

11 inventors:

goldMedal Masaki Gotoh (4 out of 4 patents)

silverMedal Hiroshi Miyajima (4 out of 4 patents)

bronzeMedal Atsushi Kajihara (3 out of 3 patents)

4.  Masaki Goto (3 out of 4 patents)

5.  Osamu Niijima (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gotoh Gut Co., Ltd.. Retrieved from https://idiyas.com/company/gotoh-gut-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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