Growing community of inventors

Kitakyushu, Japan

Kenji Oba

Average Co-Inventor Count = 6.46

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

Kenji ObaHanako Kato (2 patents)Kenji ObaTakeshi Sawai (2 patents)Kenji ObaHozumi Endo (2 patents)Kenji ObaHaruo Katsumata (1 patent)Kenji ObaNobuyuki Matsuzoe (1 patent)Kenji ObaSeiichiro Tanaka (1 patent)Kenji ObaSeiichirou Tanaka (1 patent)Kenji ObaYukio Kajiwara (1 patent)Kenji ObaKenji Oba (2 patents)Hanako KatoHanako Kato (13 patents)Takeshi SawaiTakeshi Sawai (11 patents)Hozumi EndoHozumi Endo (6 patents)Haruo KatsumataHaruo Katsumata (5 patents)Nobuyuki MatsuzoeNobuyuki Matsuzoe (4 patents)Seiichiro TanakaSeiichiro Tanaka (4 patents)Seiichirou TanakaSeiichirou Tanaka (2 patents)Yukio KajiwaraYukio Kajiwara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (2 from 2,347 patents)


2 patents:

1. 6291697 - Siloxane compounds, process for preparing the same, and liquid composition containing the same

2. 5733644 - Curable composition and method for preparing the same

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as of
12/13/2025
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