Growing community of inventors

Tokyo, Japan

Takekazu Iijima

Average Co-Inventor Count = 1.39

ph-index = 15

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 = 520

Takekazu IijimaJunichi Tanaka (3 patents)Takekazu IijimaKoji Nakane (3 patents)Takekazu IijimaTakahiro Kuramoto (2 patents)Takekazu IijimaHideaki Ishizaki (2 patents)Takekazu IijimaToshiyuki Sonoda (2 patents)Takekazu IijimaHitoshi Nakamura (1 patent)Takekazu IijimaYuki Iida (1 patent)Takekazu IijimaHiroshi Soma (1 patent)Takekazu IijimaYutaka Moriyama (1 patent)Takekazu IijimaYou Takagi (1 patent)Takekazu IijimaYoshinori Nakatsuka (1 patent)Takekazu IijimaShu Takahara (1 patent)Takekazu IijimaYumi Takigami (1 patent)Takekazu IijimaNaho Hatagishi (1 patent)Takekazu IijimaYumi Takigami (1 patent)Takekazu IijimaMakoto Iyobe (1 patent)Takekazu IijimaWashin Boku (1 patent)Takekazu IijimaTakekazu Iijima (30 patents)Junichi TanakaJunichi Tanaka (178 patents)Koji NakaneKoji Nakane (17 patents)Takahiro KuramotoTakahiro Kuramoto (33 patents)Hideaki IshizakiHideaki Ishizaki (17 patents)Toshiyuki SonodaToshiyuki Sonoda (6 patents)Hitoshi NakamuraHitoshi Nakamura (35 patents)Yuki IidaYuki Iida (14 patents)Hiroshi SomaHiroshi Soma (11 patents)Yutaka MoriyamaYutaka Moriyama (9 patents)You TakagiYou Takagi (7 patents)Yoshinori NakatsukaYoshinori Nakatsuka (5 patents)Shu TakaharaShu Takahara (5 patents)Yumi TakigamiYumi Takigami (3 patents)Naho HatagishiNaho Hatagishi (2 patents)Yumi TakigamiYumi Takigami (1 patent)Makoto IyobeMakoto Iyobe (1 patent)Washin BokuWashin Boku (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Kabushiki Kaisha (16 from 75 patents)

2. Pioneer Corporation (10 from 2,646 patents)

3. Pioneer Electronic Corporation (4 from 2,861 patents)


30 patents:

1. D715264 - Digital audio player with a wireless connection and mixing function

2. D677247 - Volume adjuster

3. D668636 - Device for mixing sounds of musical instruments

4. D666172 - Controller for digital audio player

5. D666173 - Controller for digital audio player

6. D616410 - Digital audio disk player with mixing functions

7. D593544 - Audio mixer

8. D583798 - Digital audio disk player with acoustic mixer

9. D555637 - Device for mixing sounds of musical instruments

10. D555638 - Device for mixing sounds of musical instruments

11. D493445 - Speaker

12. D493161 - Speaker

13. D487738 - Speaker

14. D472545 - Speaker

15. D284369 - Automobile combined stereo receiver and cassette tape player

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/7/2025
Loading…