Growing community of inventors

Ube, Japan

Keiji Iwamoto

Average Co-Inventor Count = 5.64

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 = 0

Keiji IwamotoKenji Hirotsu (4 patents)Keiji IwamotoShigeyoshi Nishino (3 patents)Keiji IwamotoTakashi Harada (3 patents)Keiji IwamotoHidetaka Shima (3 patents)Keiji IwamotoYukinori Kohama (1 patent)Keiji IwamotoYoshiyuki Watanabe (1 patent)Keiji IwamotoRyoichi Takasawa (1 patent)Keiji IwamotoShinobu Suzuki (1 patent)Keiji IwamotoTakuya Oka (1 patent)Keiji IwamotoMiharu Nakagawa (1 patent)Keiji IwamotoKeiji Iwamoto (4 patents)Kenji HirotsuKenji Hirotsu (24 patents)Shigeyoshi NishinoShigeyoshi Nishino (29 patents)Takashi HaradaTakashi Harada (24 patents)Hidetaka ShimaHidetaka Shima (21 patents)Yukinori KohamaYukinori Kohama (5 patents)Yoshiyuki WatanabeYoshiyuki Watanabe (5 patents)Ryoichi TakasawaRyoichi Takasawa (4 patents)Shinobu SuzukiShinobu Suzuki (4 patents)Takuya OkaTakuya Oka (4 patents)Miharu NakagawaMiharu Nakagawa (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ube Industries, Inc. (4 from 1,432 patents)


4 patents:

1. 9758623 - Polyimide precursor and polyimide

2. 7741497 - Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane

3. 7365215 - Process for preparing 4-aminotetrahydropyran compound and an acid salt thereof, synthetic intermediate thereof and process for preparing the same

4. 7300953 - Process for preparing nitrile compound, carboxylic acid compound or carboxylic acid ester compound

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