Growing community of inventors

Hino, Japan

Yasuhiro Oka

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 = 2

Yasuhiro OkaHideo Kobayashi (2 patents)Yasuhiro OkaHideo Ishii (2 patents)Yasuhiro OkaToshiyuki Ikariya (2 patents)Yasuhiro OkaYorikatsu Miyazawa (2 patents)Yasuhiro OkaYoshifumi Tsubaki (2 patents)Yasuhiro OkaYasuhiro Oka (2 patents)Hideo KobayashiHideo Kobayashi (193 patents)Hideo IshiiHideo Ishii (24 patents)Toshiyuki IkariyaToshiyuki Ikariya (11 patents)Yorikatsu MiyazawaYorikatsu Miyazawa (8 patents)Yoshifumi TsubakiYoshifumi Tsubaki (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Konica Corporation (2 from 3,106 patents)


2 patents:

1. 5771418 - Photosensitive material processing apparatus

2. 5489962 - Photosensitive material processing apparatus

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as of
12/5/2025
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