Growing community of inventors

Tokyo, Japan

Daishirou Shibukawa

Average Co-Inventor Count = 1.04

ph-index = 8

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 = 103

Daishirou ShibukawaKouzin Ohno (1 patent)Daishirou ShibukawaDaishirou Shibukawa (13 patents)Kouzin OhnoKouzin Ohno (36 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takara Co., Ltd. (12 from 329 patents)

2. Takara Corporation Limited (1 from 3 patents)


13 patents:

1. D306046 - Reconfigurable toy monster

2. D306048 - Reconfigurable toy monster

3. D305916 - Reconfigurable toy monster

4. D305917 - Reconfigurable toy monster

5. D305919 - Reconfigurable toy monster

6. D305918 - Robotic-humanoid toy assembly

7. D297956 - Reconfigurable toy trailer

8. D296913 - Reconfigurable toy tank

9. D295304 - Reconfigurable toy jeep

10. D295299 - Reconfigurable toy vehicle

11. D294604 - Reconfigurable toy helicopter

12. D294055 - Toy robotic humanoid assembly

13. D293806 - Reconfigurable toy space shuttle

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as of
12/14/2025
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