Growing community of inventors

Souka, Japan

Takayuki Ishizawa

Average Co-Inventor Count = 1.00

ph-index = 3

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 = 46

Takayuki IshizawaTakayuki Ishizawa (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Takara Co., Ltd. (10 from 329 patents)


10 patents:

1. D305255 - Reconfigurable toy tiger

2. D305050 - Reconfigurable double headed figure toy

3. D305054 - Reconfigurable toy insect

4. D302449 - Reconfigurable toy jet-plane

5. D301349 - Reconfigurable toy vehicle

6. D301264 - Reconfigurable toy truck

7. D301266 - Reconfigurable toy vehicle

8. D301263 - Reconfigurable toy vehicle

9. D301265 - Reconfigurable toy vehicle

10. D301262 - Reconfigurable toy vehicle

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as of
12/15/2025
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