Growing community of inventors

Tokyo, Japan

Keiko Ishibashi

Average Co-Inventor Count = 4.00

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 = 27

Keiko IshibashiAtsushi Sato (1 patent)Keiko IshibashiShotaro Tamayama (1 patent)Keiko IshibashiSeiji Terasawa (1 patent)Keiko IshibashiKeiko Ishibashi (1 patent)Atsushi SatoAtsushi Sato (111 patents)Shotaro TamayamaShotaro Tamayama (16 patents)Seiji TerasawaSeiji Terasawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,508 patents)


1 patent:

1. 6924741 - Method and system for displaying guidance information

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1/5/2026
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