Forward Citations = 31

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3 inventors (with patents filed for the assignee):

Ryo Kanamori (2 out of 2 patents)

Kanji Iinuma (1 out of 42 patents)

Keiji Nakamura (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. D329657 - Castanet (1992-09-22),

2. D319250 - Musical tuning meter (1991-08-20),

3. D312092 - Castanet (1990-11-13),

4. D306454 - Ocarina (1990-03-06),

Kabushiki Kaisha Zen-on Gakufu Shuppansha is a respected music publishing company based in Japan. Specializing in sheet music and educational materials, they have been serving musicians and music educators for many years. With a commitment to quality and innovation, Zen-on Gakufu Shuppansha continues to be a leader in the music publishing industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#2,780 in Tokyo

#7,416 in Japan

Tokyo, Japan

Kabushiki Kaisha Zen-on Gakufu Shuppansha

Forward Citations = 31

3 inventors:

Ryo Kanamori (2 out of 2 patents)

Kanji Iinuma (1 out of 42 patents)

Keiji Nakamura (1 out of 1 patent)

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