Growing community of inventors

Tokyo, Japan

Hideaki Ishizaki

Average Co-Inventor Count = 1.24

ph-index = 13

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 = 375

Hideaki IshizakiWataru Takahashi (2 patents)Hideaki IshizakiTakekazu Iijima (2 patents)Hideaki IshizakiShuji Natori (1 patent)Hideaki IshizakiYuki Nagai (1 patent)Hideaki IshizakiHironori Oishi (1 patent)Hideaki IshizakiKuniko Ushiro (1 patent)Hideaki IshizakiHideaki Ishizaki (17 patents)Wataru TakahashiWataru Takahashi (195 patents)Takekazu IijimaTakekazu Iijima (30 patents)Shuji NatoriShuji Natori (14 patents)Yuki NagaiYuki Nagai (10 patents)Hironori OishiHironori Oishi (9 patents)Kuniko UshiroKuniko Ushiro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Corporation (8 from 2,649 patents)

2. Pioneer Kabushiki Kaisha (6 from 75 patents)

3. Pioneer Electronic Corporation (3 from 2,861 patents)

4. Pioneer Design Corporation (1 from 9 patents)


17 patents:

1. D592208 - Controller for digital video disk player

2. 7500755 - Display apparatus and image processing system

3. D586308 - Digital video disk player

4. D584282 - Volume adjuster

5. D555637 - Device for mixing sounds of musical instruments

6. D555638 - Device for mixing sounds of musical instruments

7. D526643 - Speaker

8. D518022 - Digital audio disc player

9. D512409 - Digital video disc player equipped with mixing function

10. D511767 - Device for mixing sounds of musical instruments

11. D500307 - Device for effecting changes in sound of musical instruments

12. D291988 - Speaker

13. D281158 - Loudspeaker

14. D273008 - Speaker

15. D269872 - Loudspeaker

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as of
1/9/2026
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