Growing community of inventors

Kawasaki, Japan

Len Ishikawa

Average Co-Inventor Count = 3.00

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 = 5

Len IshikawaShigeaki Kakiwaki (1 patent)Len IshikawaKaoru Higuchi (1 patent)Len IshikawaLen Ishikawa (1 patent)Shigeaki KakiwakiShigeaki Kakiwaki (14 patents)Kaoru HiguchiKaoru Higuchi (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Kabushiki Kaisha Corporation (1 from 25,530 patents)


1 patent:

1. 6575459 - Recording-medium transport device

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12/6/2025
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