Growing community of inventors

Tokyo, Japan

Kazuhiko Hachiya

Average Co-Inventor Count = 4.00

ph-index = 7

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 = 407

Kazuhiko HachiyaMichio Kitamura (11 patents)Kazuhiko HachiyaTakashi Koki (11 patents)Kazuhiko HachiyaNamie Otaki (11 patents)Kazuhiko HachiyaKazuhiko Hachiya (11 patents)Michio KitamuraMichio Kitamura (11 patents)Takashi KokiTakashi Koki (11 patents)Namie OtakiNamie Otaki (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (10 from 58,130 patents)

2. So-net Entertainment Corporation (1 from 3 patents)


11 patents:

1. 7434168 - Method and apparatus for sending E-mail, method and apparatus for receiving E-mail, sending/receiving method and apparatus for E-mail, sending program supplying medium, receiving program supplying medium and sending/receiving program supplying medium

2. 7376707 - Method and apparatus for automatic sending of E-mail and automatic sending control program supplying medium

3. 7178095 - Method and apparatus for sending E-mail, method and apparatus for receiving E-mail, sending/receiving method and apparatus for E-mail, sending program supplying medium, receiving program supplying medium and sending/receiving program supplying medium

4. 7159009 - Method and apparatus for automatic sending of e-mail and automatic sending control program supplying medium

5. 6760751 - Method and apparatus for automatic sending of E-mail and automatic sending control program supplying medium

6. 6535907 - Method and apparatus for processing attached E-mail data and storage medium for processing program for attached data

7. 6434597 - Animated virtual agent displaying apparatus, method for displaying a virtual agent, and medium for storing instructions for displaying a virtual agent

8. 6314450 - Method and apparatus for collecting data and storage medium for data collection program

9. 6311195 - Method and apparatus for sending E-mail, method and apparatus for receiving E-mail, sending/receiving method and apparatus for E-mail, sending program supplying medium, receiving program supplying medium and sending/receiving program supplying medium

10. 6199097 - Method and apparatus for collecting data and storage medium for data collection program

11. 6175857 - Method and apparatus for processing attached e-mail data and storage medium for processing program for attached data

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as of
12/23/2025
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