Growing community of inventors

Tokyo, Japan

Yoshizo Seki

Average Co-Inventor Count = 1.33

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 69

Yoshizo SekiSidney Bass (2 patents)Yoshizo SekiSaburo Watanabe (1 patent)Yoshizo SekiYoshizo Seki (6 patents)Sidney BassSidney Bass (10 patents)Saburo WatanabeSaburo Watanabe (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomy Kogyo Co., Ltd. (5 from 376 patents)

2. Tomy Incorporated (1 from 35 patents)


6 patents:

1. 4693694 - Toy with moving screen

2. 4619625 - Construction toy

3. 4579538 - Construction toy

4. 4573928 - Teaching toy

5. 4402158 - Toy employing governor to control rate of movement of movable member

6. 4156322 - Simulated toy typewriter

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as of
12/15/2025
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