Growing community of inventors

Kaisei, Japan

Kazuharu Kawashima

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 35

Kazuharu KawashimaKenji Matsumoto (1 patent)Kazuharu KawashimaJun Hayashi (1 patent)Kazuharu KawashimaItsuo Fujii (1 patent)Kazuharu KawashimaToshikazu Sato (1 patent)Kazuharu KawashimaKazuharu Kawashima (2 patents)Kenji MatsumotoKenji Matsumoto (34 patents)Jun HayashiJun Hayashi (16 patents)Itsuo FujiiItsuo Fujii (5 patents)Toshikazu SatoToshikazu Sato (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (2 from 16,458 patents)


2 patents:

1. 4822639 - Spin coating method and device

2. 4503134 - Method of modifying surface of colored micro-filter element

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1/7/2026
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