For the Inventor, By the Inventor

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Chicago, IL, United States of America

Aiwa Corporation

USPTO Granted Patents = 3

Trademarks = 3

Forward Citations = 17

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8 inventors (with patents filed for the assignee):

Shigekazu Kato (3 out of 65 patents)

Hiroaki Yokoi (3 out of 3 patents)

Hiroshi Taoda (2 out of 21 patents)

4. Tatsuro Horiuchi (2 out of 2 patents)

5. Seiichiro Omori (2 out of 2 patents)

6. Eiji Watanabe (2 out of 5 patents)

7. Kimiko Minowa (1 out of 1 patent)

8. Hiroko Taoda (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5943950 - Utensils for table use and cooking use (1999-08-31),

2. 5562820 - Process for purifying water (1996-10-08),

3. 5449467 - Process for purifying water (1995-09-12),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#772 in Chicago, IL

#3,364 in Illinois

#72,067 in US

Chicago, IL, United States of America

Aiwa Corporation

Forward Citations = 17

8 inventors:

Shigekazu Kato (3 out of 65 patents)

Hiroaki Yokoi (3 out of 3 patents)

Hiroshi Taoda (2 out of 21 patents)

4. Tatsuro Horiuchi (2 out of 2 patents)

5. Seiichiro Omori (2 out of 2 patents)

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