Growing community of inventors

Sendai, Japan

Tomohito Ishikawa

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 = 22

Tomohito Ishikawa ↔ Naoki Isogai (1 patent)Tomohito Ishikawa ↔ Hirohisa Terabe (1 patent)Tomohito Ishikawa ↔ Yoshiaki Mimura (1 patent)Tomohito IshikawaTomohito Ishikawa (1 patent)Naoki IsogaiNaoki Isogai (40 patents)Hirohisa TerabeHirohisa Terabe (15 patents)Yoshiaki MimuraYoshiaki Mimura (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nidek Co., Ltd. (1 from 832 patents)


1 patent:

1. 5406076 - Joy stick mechanism for ophthalmic apparatus

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12/20/2025
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