Growing community of inventors

Yokohama, Japan

Chiyo Akamatsu

Average Co-Inventor Count = 4.29

ph-index = 6

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 = 348

Chiyo AkamatsuTsukasa Hasegawa (9 patents)Chiyo AkamatsuHidefumi Goto (9 patents)Chiyo AkamatsuShinichiro Fukushima (5 patents)Chiyo AkamatsuYoshikatsu Yoshino (5 patents)Chiyo AkamatsuTakaharu Noguchi (4 patents)Chiyo AkamatsuTamotsu Ito (4 patents)Chiyo AkamatsuYoshimichi Kudo (4 patents)Chiyo AkamatsuTetsuo Shinagawa (4 patents)Chiyo AkamatsuYasunori Ohara (4 patents)Chiyo AkamatsuTakahiko Nozoe (2 patents)Chiyo AkamatsuHiroshi Shimizu (1 patent)Chiyo AkamatsuTadashi Kuwabara (1 patent)Chiyo AkamatsuHideki Kuwamoto (1 patent)Chiyo AkamatsuAkira Naito (1 patent)Chiyo AkamatsuChiyo Akamatsu (15 patents)Tsukasa HasegawaTsukasa Hasegawa (28 patents)Hidefumi GotoHidefumi Goto (12 patents)Shinichiro FukushimaShinichiro Fukushima (22 patents)Yoshikatsu YoshinoYoshikatsu Yoshino (5 patents)Takaharu NoguchiTakaharu Noguchi (78 patents)Tamotsu ItoTamotsu Ito (44 patents)Yoshimichi KudoYoshimichi Kudo (25 patents)Tetsuo ShinagawaTetsuo Shinagawa (10 patents)Yasunori OharaYasunori Ohara (10 patents)Takahiko NozoeTakahiko Nozoe (5 patents)Hiroshi ShimizuHiroshi Shimizu (67 patents)Tadashi KuwabaraTadashi Kuwabara (52 patents)Hideki KuwamotoHideki Kuwamoto (9 patents)Akira NaitoAkira Naito (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (12 from 42,517 patents)

2. Hitachi Maxell, Limited (3 from 1,112 patents)


15 patents:

1. 9661363 - Receiver set, information apparatus and receiving system

2. 9240897 - Method of using AV devices and AV device system

3. 8856819 - Receiver set, information apparatus and receiving system

4. 8326129 - Method of using AV devices and AV device system

5. 8233504 - Receiver set, information apparatus and receiving system

6. 7333717 - Method of using AV devices and AV device system

7. 7257132 - Receiver set, information apparatus and receiving system

8. 7224886 - Method of using AV devices and AV device system

9. 7136910 - Information device, information device system control method, and information device system

10. 6728765 - Information device, information device system control method, and information device system

11. 6691150 - Information device, information device system control method, and information device system

12. 6487589 - Information device, information device system control method, and information device system

13. 6131111 - Information device information device system control method, and

14. 5867281 - Electronic mail system and method

15. 5867110 - Information reporting system

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1/9/2026
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