Growing community of inventors

Yokohama, Japan

Wataru Kitayama

Average Co-Inventor Count = 7.00

ph-index = 1

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 = 57

Wataru Kitayama ↔ Hiroshi Shimizu (1 patent)Wataru Kitayama ↔ Tadashi Kuwabara (1 patent)Wataru Kitayama ↔ Hidefumi Goto (1 patent)Wataru Kitayama ↔ Yoshihiro Yamada (1 patent)Wataru Kitayama ↔ Tomohiro Esaki (1 patent)Wataru Kitayama ↔ Tooru Yokozawa (1 patent)Wataru KitayamaWataru Kitayama (1 patent)Hiroshi ShimizuHiroshi Shimizu (67 patents)Tadashi KuwabaraTadashi Kuwabara (52 patents)Hidefumi GotoHidefumi Goto (12 patents)Yoshihiro YamadaYoshihiro Yamada (11 patents)Tomohiro EsakiTomohiro Esaki (7 patents)Tooru YokozawaTooru Yokozawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,496 patents)


1 patent:

1. 5740369 - Information delivery system and portable information terminal

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12/27/2025
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