Growing community of inventors

Tokyo, Japan

Kumie Shimizu, Legal Representative

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 = 3

Kumie Shimizu, Legal Representative ↔ Naoto Kijima (1 patent)Kumie Shimizu, Legal Representative ↔ Yasuo Shimomura (1 patent)Kumie Shimizu, Legal Representative ↔ Etsuo Shimizu (1 patent)Kumie Shimizu, Legal RepresentativeKumie Shimizu, Legal Representative (1 patent)Naoto KijimaNaoto Kijima (59 patents)Yasuo ShimomuraYasuo Shimomura (13 patents)Etsuo ShimizuEtsuo Shimizu (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (1 from 2,347 patents)


1 patent:

1. 8021576 - Phosphor and production method thereof, and phosphor-containing composition, light emitting device, image display and lighting system

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as of
12/10/2025
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