For the Inventor, By the Inventor

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Kitakyushu, Japan

Takada Corporation

USPTO Granted Patents = 3

Forward Citations = 6

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7 inventors (with patents filed for the assignee):

Keiichi Yotsumoto (2 out of 2 patents)

Hironobu Matsuyama (2 out of 2 patents)

Nobuhiro Mori (2 out of 2 patents)

4. Toshiro Koyanagi (1 out of 12 patents)

5. Yayoi Hashimoto (1 out of 5 patents)

6. Haruyuki Takagi (1 out of 3 patents)

7. Naoki Kubo (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 11759975 - Ultrasonic resonator support structure and ultrasonic vibration machining apparatus (2023-09-19),

2. 11697161 - Fastening structure of ultrasonic resonator and ultrasonic machining device (2023-07-11),

3. 5378038 - Restraining protective foldable seat for infants (1995-01-03),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#15 in Kitakyushu

#8,778 in Japan

Kitakyushu, Japan

Takada Corporation

Forward Citations = 6

7 inventors:

Keiichi Yotsumoto (2 out of 2 patents)

Hironobu Matsuyama (2 out of 2 patents)

Nobuhiro Mori (2 out of 2 patents)

4. Toshiro Koyanagi (1 out of 12 patents)

5. Yayoi Hashimoto (1 out of 5 patents)

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