For the Inventor, By the Inventor

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Howa Sangyo Co., Ltd.

USPTO Granted Patents = 2

Trademarks = 2

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Takashi Tanaka (1 out of 34 patents)

Tomoyuki Miyagawa (1 out of 4 patents)

Yoshio Ishii (1 out of 5 patents)

4. Naoto Shirai (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12240671 - Packing material and packed product (2025-03-04),

2. 6120828 - Method for freezing boiled rice in separate small-lump form (2000-09-19),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#4,058 in Tokyo

#10,966 in Japan

Howa Sangyo Co., Ltd.

Forward Citations = 2

4 inventors:

Takashi Tanaka (1 out of 34 patents)

Tomoyuki Miyagawa (1 out of 4 patents)

Yoshio Ishii (1 out of 5 patents)

4. Naoto Shirai (1 out of 1 patent)

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