Growing community of inventors

Ibaraki, Japan

Junzi Shirakawa

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 = 20

Junzi ShirakawaToshitaka Ogawa (1 patent)Junzi ShirakawaYasuo Kikuchi (1 patent)Junzi ShirakawaKazuo Uno (1 patent)Junzi ShirakawaMasato Yamada (1 patent)Junzi ShirakawaJunzi Shirakawa (2 patents)Toshitaka OgawaToshitaka Ogawa (19 patents)Yasuo KikuchiYasuo Kikuchi (16 patents)Kazuo UnoKazuo Uno (7 patents)Masato YamadaMasato Yamada (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Koki Co., Ltd. (2 from 1,267 patents)


2 patents:

1. 5166736 - Electrophotographic printing apparatus with pivotable paper buffer and

2. 5148224 - Thin layer coated endless belt of an electrophotographic printing machine

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idiyas.com
as of
12/6/2025
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