Growing community of inventors

Yokohama, Japan

Massaki Matsushima

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 = 8

Massaki MatsushimaToshitami Hara (1 patent)Massaki MatsushimaYoshiaki Shirato (1 patent)Massaki MatsushimaYoshioki Hajimoto (1 patent)Massaki MatsushimaMassaki Matsushima (1 patent)Toshitami HaraToshitami Hara (39 patents)Yoshiaki ShiratoYoshiaki Shirato (31 patents)Yoshioki HajimotoYoshioki Hajimoto (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha Toshitama Hara (1 from 1 patent)


1 patent:

1. 4194812 - Electrochromic device

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as of
1/5/2026
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