Trademarks = 5

Forward Citations = 96

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6 inventors (with patents filed for the assignee):

Shin Azumi (3 out of 10 patents)

Hiroshi Kubota (2 out of 2 patents)

Ken Iwayama (1 out of 1 patent)

4. Takashi Nishino (1 out of 1 patent)

5. Noriyuki Diachyo (1 out of 1 patent)

6. Noriyuki Daichyo (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. D523418 - Speaker box (2006-06-20),

2. D516543 - Speaker box (2006-03-07),

3. D492286 - Loudspeaker (2004-06-30),

4. D433402 - Loudspeaker (2000-11-07),

5. D432521 - Loudspeaker (2000-10-24),

6. D349702 - Amplifier (1994-08-16),

7. D347844 - Amplifier (1994-06-14),

TOA Corporation is a Japanese manufacturer of audio and security equipment. The company offers a wide range of products including speakers, amplifiers, intercom systems, and digital voice announcement systems. TOA is known for its high-quality audio solutions that cater to various industries such as education, transportation, and commercial buildings.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#31 in Kobe

#5,307 in Japan

Kobe, Japan

Toa Kabushiki Kaisha