Growing community of inventors

Ibaraki, Japan

Masaharu Nishioka

Average Co-Inventor Count = 6.00

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 = 31

Masaharu Nishioka ↔ Akinobu Shiga (1 patent)Masaharu Nishioka ↔ Masahiro Kakugo (1 patent)Masaharu Nishioka ↔ Kiyoshi Matsuyama (1 patent)Masaharu Nishioka ↔ Yukio Naito (1 patent)Masaharu Nishioka ↔ Akira Nunose (1 patent)Masaharu NishiokaMasaharu Nishioka (1 patent)Akinobu ShigaAkinobu Shiga (43 patents)Masahiro KakugoMasahiro Kakugo (30 patents)Kiyoshi MatsuyamaKiyoshi Matsuyama (16 patents)Yukio NaitoYukio Naito (8 patents)Akira NunoseAkira Nunose (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,896 patents)


1 patent:

1. 4367322 - Process for producing propylene copolymer

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1/7/2026
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