Growing community of inventors

Yamagata, Japan

Kiyokazu Ishiyama

Average Co-Inventor Count = 3.43

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 = 4

Kiyokazu IshiyamaYoshihiro Ueno (1 patent)Kiyokazu IshiyamaFumio Shinano (1 patent)Kiyokazu IshiyamaAkira Koga (1 patent)Kiyokazu IshiyamaMasahiro Kuwabara (1 patent)Kiyokazu IshiyamaShinichi Iwasaki (1 patent)Kiyokazu IshiyamaKiyokazu Ishiyama (2 patents)Yoshihiro UenoYoshihiro Ueno (26 patents)Fumio ShinanoFumio Shinano (26 patents)Akira KogaAkira Koga (16 patents)Masahiro KuwabaraMasahiro Kuwabara (14 patents)Shinichi IwasakiShinichi Iwasaki (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Panasonic Intellectual Property Management Co., Ltd. (2 from 13,262 patents)


2 patents:

1. 9936136 - Lens barrel

2. 9229191 - Lens holding structure and method of manufacturing lens holding structure

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as of
12/11/2025
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